You have just received a phone call, but you need to know the owner of the number. How do you find the information you need? If you have Caller ID, then you'd have the answer - but if it was that simple your problem would already be solved. Your best bet is to run a reverse cellphone lookup using ReversePhoneCop.com.
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Enter the phone number in the box below. Results include name, address, and more.
This is the list of all exchange codes in area code 720
| Exchange | City | County | Carrier | Type |
|---|---|---|---|---|
| 720-200-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-201-xxxx | Denver | Denver | Blue Licenses Holding, Llc | Cell Phone |
| 720-203-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-204-xxxx | Longmont | Boulder | Level 3 Communications, Llc - | Landline |
| 720-205-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-206-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-207-xxxx | Englewood | Arapahoe | Xo Colorado, Llc | Landline |
| 720-208-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-209-xxxx | Denver | Denver | T-mobile Usa, Inc. | Cell Phone |
| 720-210-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-212-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-213-xxxx | Denver | Denver | Mcleodusa Telecommunication Se | Landline |
| 720-214-xxxx | Denver | Denver | Mcleodusa Telecommunication Se | Landline |
| 720-215-xxxx | Denver | Jefferson | Mcleodusa Telecommunication Se | Landline |
| 720-216-xxxx | Aurora | Arapahoe | T-mobile Usa, Inc. | Landline |
| 720-217-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-218-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-219-xxxx | Denver | Jefferson | Cellco Partnership Dba Verizon | Cell Phone |
| 720-220-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-221-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-222-xxxx | Englewood | Arapahoe | Xo Colorado, Llc | Landline |
| 720-223-xxxx | Brighton | Adams | Xo Colorado, Llc | Landline |
| 720-224-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-225-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-226-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-227-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-228-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-229-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-230-xxxx | Brighton | Adams | Xo Colorado, Llc | Landline |
| 720-231-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-232-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-233-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-234-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-235-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-236-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-237-xxxx | Brighton | Adams | Sbc Telecom | Landline |
| 720-238-xxxx | Denver | Denver | Dslnet Communications Va, Inc. | Landline |
| 720-239-xxxx | Denver | Denver | At&t - Local - Co | Landline |
| 720-240-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-241-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-244-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-246-xxxx | Englewood | Arapahoe | Xo Colorado, Llc | Landline |
| 720-247-xxxx | Brighton | Adams | Xo Colorado, Llc | Landline |
| 720-248-xxxx | Denver | Denver | Sbc Telecom, Inc. - Co | Landline |
| 720-249-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-250-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-251-xxxx | Aurora | Arapahoe | Level 3 Communications, Llc - | Landline |
| 720-252-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-253-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-254-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-255-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-256-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-257-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-258-xxxx | Denver | Denver | Teleport Communications Group | Landline |
| 720-259-xxxx | Denver | Jefferson | Level 3 Communications, Llc - | Landline |
| 720-260-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-261-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-262-xxxx | Aurora | Adams | Mcleodusa Telecommunication Se | Landline |
| 720-263-xxxx | Brighton | Adams | Level 3 Communications, Llc - | Landline |
| 720-264-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-265-xxxx | Brighton | Adams | Xo Colorado, Llc | Landline |
| 720-266-xxxx | Denver | Jefferson | Level 3 Communications, Llc - | Landline |
| 720-267-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-268-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-269-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-270-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-271-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-272-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-273-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-274-xxxx | Denver | Denver | Mcleodusa Telecommunication Se | Landline |
| 720-275-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-276-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-277-xxxx | Aurora | Denver | T-mobile Usa, Inc. | Landline |
| 720-278-xxxx | Aurora | Arapahoe | T-mobile Usa, Inc. | Landline |
| 720-279-xxxx | Denver | Arapahoe | Time Warner Telecom Of Colorad | Landline |
| 720-280-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-281-xxxx | Aurora | Arapahoe | Cellco Partnership Dba Verizon | Cell Phone |
| 720-282-xxxx | Denver | Arapahoe | Pac-west Telecomm, Inc. - Co | Landline |
| 720-283-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-284-xxxx | Denver | Jefferson | Xo Colorado, Llc | Landline |
| 720-286-xxxx | Denver | Jefferson | Teleport Communications Group | Landline |
| 720-289-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-290-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-291-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-293-xxxx | Denver | Adams | Xo Colorado, Llc | Landline |
| 720-294-xxxx | Denver | Adams | Xo Colorado, Llc | Landline |
| 720-296-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-297-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-298-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-299-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-300-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-301-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-302-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-304-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-305-xxxx | Denver | Jefferson | Time Warner Telecom Of Colorad | Landline |
| 720-306-xxxx | Denver | Denver | Eschelon Telecom Of Colorado, | Landline |
| 720-308-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Landline |
| 720-309-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-310-xxxx | Lyons | Boulder | Pac-west Telecomm, Inc. - Co | Landline |
| 720-312-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-313-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-314-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-315-xxxx | Denver | Jefferson | Sprint Spectrum L P | Landline |
| 720-317-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-318-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-319-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-320-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-322-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-323-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-324-xxxx | Aurora | Arapahoe | Sbc Telecom, Inc. - Co | Landline |
| 720-327-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-329-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-330-xxxx | Denver | Denver | Icg Telecom Group, Inc. - Co | Landline |
| 720-331-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-332-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-333-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-334-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-335-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-338-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-339-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-341-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-343-xxxx | Aurora | Adams | Icg Telecom Group, Inc. - Co | Landline |
| 720-344-xxxx | Littleton | Douglas | Qwest Corporation - Co | Landline |
| 720-346-xxxx | Denver | Denver | Winstar Communications, Llc - | Landline |
| 720-348-xxxx | Littleton | Douglas | Qwest Corporation - Co | Landline |
| 720-350-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-351-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-352-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-353-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-356-xxxx | Denver | Denver | At&t - Local - Co | Landline |
| 720-359-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-363-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-364-xxxx | Denver | Denver | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-365-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-366-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-367-xxxx | Englewood | Arapahoe | Xo Colorado, Llc | Landline |
| 720-368-xxxx | Englewood | Arapahoe | Xo Colorado, Llc | Landline |
| 720-371-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-373-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-374-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-377-xxxx | Denver | Denver | Allegiance Telecom Of Colorado | Landline |
| 720-379-xxxx | Denver | Denver | Icg Telecom Group, Inc. - Co | Landline |
| 720-381-xxxx | Denver | Jefferson | Comcast Phone Of Colorado, Llc | Landline |
| 720-382-xxxx | Denver | Adams | T-mobile Usa, Inc. | Landline |
| 720-384-xxxx | Denver | Adams | Xo Colorado, Llc | Landline |
| 720-385-xxxx | Denver | Adams | Xo Colorado, Llc | Landline |
| 720-394-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-404-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-406-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-407-xxxx | Denver | Denver | Sbc Telecom, Inc. - Co | Landline |
| 720-422-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-423-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-424-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-427-xxxx | Aurora | Arapahoe | T-mobile Usa, Inc. | Cell Phone |
| 720-434-xxxx | Denver | Denver | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-435-xxxx | Denver | Arapahoe | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-436-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-444-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-449-xxxx | Denver | Denver | Allegiance Telecom Of Colorado | Landline |
| 720-468-xxxx | Denver | Jefferson | Level 3 Communications, Llc - | Landline |
| 720-470-xxxx | Denver | Jefferson | Cellco Partnership Dba Verizon | Cell Phone |
| 720-472-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-475-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-479-xxxx | Denver | Denver | Teleport Communications Group | Landline |
| 720-480-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-482-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-488-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-489-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-490-xxxx | Denver | Jefferson | Nextel Communications, Inc. | Cell Phone |
| 720-493-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-494-xxxx | Longmont | Boulder | Qwest Corporation - Co | Landline |
| 720-495-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-496-xxxx | Denver | Jefferson | Level 3 Communications, Llc - | Landline |
| 720-497-xxxx | Golden | Jefferson | Qwest Corporation - Co | Landline |
| 720-506-xxxx | Denver | Denver | Level 3 Communications, Llc - | Landline |
| 720-514-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-519-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-521-xxxx | Denver | Denver | American Messaging (am), Inc. | Cell Phone |
| 720-524-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-528-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-529-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-530-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-532-xxxx | Aurora | Arapahoe | Teleport Communications Group | Landline |
| 720-533-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-535-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-536-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-540-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-542-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-544-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-548-xxxx | Denver | Jefferson | Global Crossing Local Services | Landline |
| 720-549-xxxx | Denver | Denver | Winstar Communications, Llc - | Landline |
| 720-554-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-558-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-559-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-560-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-562-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-563-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-564-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-565-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-566-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-567-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-568-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-570-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-578-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-579-xxxx | Denver | Denver | Allegiance Telecom Of Colorado | Landline |
| 720-581-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-587-xxxx | Denver | Denver | At&t - Local - Co | Landline |
| 720-596-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-620-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-621-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-622-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-624-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-628-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-629-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-635-xxxx | Denver | Jefferson | Blue Licenses Holding, Llc | Cell Phone |
| 720-641-xxxx | Denver | Jefferson | Nextel Communications, Inc. | Cell Phone |
| 720-652-xxxx | Longmont | Boulder | Qwest Corporation - Co | Landline |
| 720-670-xxxx | Aurora | Arapahoe | At&t - Local - Co | Cell Phone |
| 720-684-xxxx | Longmont | Boulder | Level 3 Communications, Llc - | Landline |
| 720-685-xxxx | Brighton | Adams | Icg Telecom Group, Inc. - Co | Landline |
| 720-690-xxxx | Denver | Jefferson | Leap Wireless Intl, Inc. Dba C | Cell Phone |
| 720-732-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-733-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-744-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-746-xxxx | Golden | Jefferson | Qwest Corporation - Co | Landline |
| 720-747-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-748-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-771-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-785-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-810-xxxx | Aurora | Arapahoe | Cellco Partnership Dba Verizon | Cell Phone |
| 720-833-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-834-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-836-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-837-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-838-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-839-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-840-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-841-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-842-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-847-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-848-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-849-xxxx | Denver | Jefferson | Sprint Spectrum L.p. | Cell Phone |
| 720-851-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-852-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-854-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-855-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-857-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-858-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-859-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-862-xxxx | Aurora | Denver | Xo Colorado, Llc | Landline |
| 720-863-xxxx | Denver | Adams | Xo Colorado, Llc | Landline |
| 720-864-xxxx | Longmont | Boulder | Qwest Corporation - Co | Landline |
| 720-865-xxxx | Denver | Denver | Icg Telecom Group, Inc. - Co | Landline |
| 720-867-xxxx | Denver | Jefferson | Great West Services, Ltd. - Co | Landline |
| 720-870-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-872-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-873-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-874-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-875-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-876-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-877-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-878-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-879-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-880-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-881-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-882-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-883-xxxx | Denver | Jefferson | Icg Telecom Group, Inc. - Co | Landline |
| 720-884-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-886-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-887-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-888-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-889-xxxx | Denver | Denver | Allegiance Telecom Of Colorado | Landline |
| 720-890-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-891-xxxx | Denver | Jefferson | Level 3 Communications, Llc - | Landline |
| 720-895-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-897-xxxx | Denver | Jefferson | Global Crossing Local Services | Landline |
| 720-898-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-903-xxxx | Denver | Jefferson | Global Crossing Local Services | Landline |
| 720-904-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-907-xxxx | Denver | Jefferson | Global Crossing Local Services | Landline |
| 720-913-xxxx | Denver | Denver | Icg Telecom Group, Inc. - Co | Landline |
| 720-917-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-920-xxxx | Denver | Arapahoe | Teleport Communications Group | Landline |
| 720-921-xxxx | Denver | Denver | Icg Telecom Group, Inc. - Co | Landline |
| 720-922-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-924-xxxx | Sedalia | Douglas | Qwest Corporation - Co | Landline |
| 720-929-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-931-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-932-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-933-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-934-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-935-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-936-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-937-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-938-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-939-xxxx | Denver | Jefferson | T-mobile Usa, Inc. | Cell Phone |
| 720-940-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-941-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-942-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-943-xxxx | Denver | Jefferson | Global Crossing Local Services | Landline |
| 720-944-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-945-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-946-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-947-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-949-xxxx | Aurora | Jefferson | At&t - Local - Co | Landline |
| 720-951-xxxx | Aurora | Arapahoe | Cellco Partnership Dba Verizon | Cell Phone |
| 720-956-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-961-xxxx | Denver | Jefferson | Global Crossing Local Services | Landline |
| 720-962-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-963-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-971-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-972-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-974-xxxx | Denver | Jefferson | Eschelon Telecom Of Colorado, | Landline |
| 720-975-xxxx | Aurora | Arapahoe | Eschelon Telecom Of Colorado, | Landline |
| 720-977-xxxx | Denver | Adams | Qwest Corporation - Co | Landline |
| 720-979-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-980-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-981-xxxx | Denver | Jefferson | Qwest Corporation - Co | Landline |
| 720-982-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-984-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-985-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-987-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-988-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-989-xxxx | Denver | Denver | Sprint Spectrum L.p. | Cell Phone |
| 720-242-xxxx | Denver | Denver | 360networks | Landline |
| 720-285-xxxx | Englewood | Arapahoe | Xo Colorado | Landline |
| 720-321-xxxx | Denver | Jefferson | Qwest Corporation Co | Landline |
| 720-345-xxxx | Denver | Denver | Qwest Corporation Co | Landline |
| 720-362-xxxx | Denver | Denver | Qwest Corporation Co | Landline |
| 720-375-xxxx | Denver | Denver | Qwest Corporation Co | Landline |
| 720-383-xxxx | Westminster | Adams | Cellco Partnership Dba Verizon | Landline |
| 720-389-xxxx | Englewood | Arapahoe | Allegiance Telecom Of Colorado | Landline |
| 720-392-xxxx | Englewood | Arapahoe | Ymax Communications Corp Co | Landline |
| 720-401-xxxx | Denver | Denver | T Mobile Usa | Landline |
| 720-413-xxxx | Englewood | Arapahoe | Cellco Partnership Dba Verizon | Landline |
| 720-425-xxxx | Englewood | Arapahoe | Cellco Partnership Dba Verizon | Landline |
| 720-429-xxxx | Denver | Denver | Leap Wireless Intl | Landline |
| 720-438-xxxx | Henderson | Adams | Level 3 Communications, Llc - | Landline |
| 720-447-xxxx | Denver | Denver | Leap Wireless Intl | Landline |
| 720-448-xxxx | Denver | Denver | Leap Wireless Intl | Landline |
| 720-457-xxxx | Denver | Denver | Leap Wireless Intl | Landline |
| 720-473-xxxx | Boulder | Boulder | Affinity Telecom | Landline |
| 720-527-xxxx | Englewood | Arapahoe | Qwest Corporation - Co | Landline |
| 720-555-xxxx | Denver | Denver | Qwest Corporation | Landline |
| 720-561-xxxx | Boulder | Boulder | Qwest Corporation | Landline |
| 720-569-xxxx | Denver | Denver | Leap Wireless Intl | Landline |
| 720-574-xxxx | Denver | Denver | Qwest Corporation - Co | Landline |
| 720-663-xxxx | Denver | Denver | Qwest Corporation Co | Landline |
| 720-667-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-777-xxxx | Aurora | Arapahoe | Qwest Corporation - Co | Landline |
| 720-826-xxxx | Pittsburgh | Allegheny | Level 3 Communications, Llc - | Landline |
| 720-998-xxxx | Aurora | Arapahoe | Comcast Phone Of Colorado, Llc | Landline |