720 Area Code has 483 prefixes

PrefixPrimary CityCarrier
720-200EnglewoodQwest Corporation
720-201DenverNew Cingular Wireless Pcs, Llc
720-202WestminsterCellco Partnership Dba Verizon Wireless - Co
720-203EnglewoodSprint Spectrum L.p.
720-204DenverAt&t Local
720-205EnglewoodSprint Spectrum L.p.
720-206EnglewoodXo Colorado, Llc
720-207EnglewoodXo Colorado, Llc
720-208EnglewoodXo Colorado, Llc
720-209EnglewoodSprint Spectrum L.p.
720-210DenverXo Colorado, Llc
720-212DenverXo Colorado, Llc
720-213DenverMcleodusa Telecommunications Services, Inc.- Co
720-214DenverMcleodusa Telecommunications Services, Inc.- Co
720-215WestminsterCellco Partnership Dba Verizon Wireless - Co
720-216AuroraTeleport Communications America, Llc - Co
720-217DenverT-mobile Usa, Inc.
720-218EnglewoodSprint Spectrum L.p.
720-219EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-220DenverT-mobile Usa, Inc.
720-221EnglewoodXo Colorado, Llc
720-222EnglewoodXo Colorado, Llc
720-223EnglewoodXo Colorado, Llc
720-224DenverXo Colorado, Llc
720-225AuroraXo Colorado, Llc
720-226DenverXo Colorado, Llc
720-227DenverXo Colorado, Llc
720-228EnglewoodXo Colorado, Llc
720-229DenverXo Colorado, Llc
720-230EnglewoodXo Colorado, Llc
720-231DenverT-mobile Usa, Inc.
720-232EnglewoodSprint Spectrum L.p.
720-233EnglewoodSprint Spectrum L.p.
720-234EnglewoodSprint Spectrum L.p.
720-235DenverSprint Spectrum L.p.
720-236DenverSprint Spectrum L.p.
720-237WestminsterNew Cingular Wireless Pcs, Llc
720-238DenverT-mobile Usa, Inc.
720-239DenverAt&t Local
720-240EnglewoodXo Colorado, Llc
720-241EnglewoodXo Colorado, Llc
720-242DenverQwest Corporation
720-243DenverNew Cingular Wireless Pcs, Llc
720-244DenverNew Cingular Wireless Pcs, Llc
720-245WestminsterEschelon Telecom Of Colorado, Inc. - Co
720-246EnglewoodXo Colorado, Llc
720-247EnglewoodXo Colorado, Llc
720-248DenverCbeyond Communications, Llc - Co
720-249EnglewoodXo Colorado, Llc
720-250EnglewoodXo Colorado, Llc
720-251DenverLevel 3 Communications, Llc - Co
720-252EnglewoodSprint Spectrum L.p.
720-253EnglewoodSprint Spectrum L.p.
720-254EnglewoodSprint Spectrum L.p.
720-255EnglewoodSprint Spectrum L.p.
720-256DenverSprint Spectrum L.p.
720-257DenverXo Colorado, Llc
720-258DenverTeleport Communications America, Llc - Co
720-259DenverLevel 3 Communications, Llc - Co
720-260EnglewoodSprint Spectrum L.p.
720-261DenverT-mobile Usa, Inc.
720-262DenverIcg Telecom Group - Co
720-263DenverLevel 3 Communications, Llc - Co
720-264DenverQwest Corporation
720-266DenverLevel 3 Communications, Llc - Co
720-268EnglewoodQwest Corporation
720-269AuroraTeleport Communications America, Llc - Co
720-270EnglewoodSprint Spectrum L.p.
720-271EnglewoodSprint Spectrum L.p.
720-272DenverNew Cingular Wireless Pcs, Llc
720-273DenverNew Cingular Wireless Pcs, Llc
720-274DenverMcleodusa Telecommunications Services, Inc.- Co
720-275DenverNew Cingular Wireless Pcs, Llc
720-276DenverNew Cingular Wireless Pcs, Llc
720-277DenverLevel 3 Communications, Llc - Co
720-278DenverLevel 3 Telecom Of Colorado, Llc - Co
720-279DenverLevel 3 Telecom Of Colorado, Llc - Co
720-280DenverT-mobile Usa, Inc.
720-281WestminsterCellco Partnership Dba Verizon Wireless - Co
720-282EnglewoodLevel 3 Telecom Of Colorado, Llc - Co
720-283LittletonQwest Corporation
720-284EnglewoodXo Colorado, Llc
720-285DenverXo Colorado, Llc
720-287DenverComcast Phone Of Colorado, Llc - Co
720-288DenverBandwidth.com Clec, Llc - Co
720-289DenverNew Cingular Wireless Pcs, Llc
720-290EnglewoodSprint Spectrum L.p.
720-291EnglewoodSprint Spectrum L.p.
720-292DenverNew Cingular Wireless Pcs, Llc
720-294EnglewoodXo Colorado, Llc
720-295DenverBandwidth.com Clec, Llc - Co
720-296DenverNew Cingular Wireless Pcs, Llc
720-297DenverNew Cingular Wireless Pcs, Llc
720-298DenverNew Cingular Wireless Pcs, Llc
720-299DenverT-mobile Usa, Inc.
720-300EnglewoodSprint Spectrum L.p.
720-301EnglewoodSprint Spectrum L.p.
720-302AuroraTeleport Communications America, Llc - Co
720-304BoulderQwest Corporation
720-305DenverLevel 3 Telecom Of Colorado, Llc - Co
720-306EnglewoodEschelon Telecom Of Colorado, Inc. - Co
720-307DenverAt&t Local
720-308DenverNew Cingular Wireless Pcs, Llc
720-309DenverNew Cingular Wireless Pcs, Llc
720-310AuroraTeleport Communications America, Llc - Co
720-312EnglewoodSprint Spectrum L.p.
720-313EnglewoodSprint Spectrum L.p.
720-314EnglewoodSprint Spectrum L.p.
720-315EnglewoodOnvoy, Llc - Co
720-316DenverBandwidth.com Clec, Llc - Co
720-317EnglewoodSprint Spectrum L.p.
720-318EnglewoodSprint Spectrum L.p.
720-319EnglewoodSprint Spectrum L.p.
720-320DenverNew Cingular Wireless Pcs, Llc
720-322Commerce CityQwest Corporation
720-323DenverT-mobile Usa, Inc.
720-324DenverComcast Phone Of Colorado, Llc - Co
720-325DenverT-mobile Usa, Inc.
720-326DenverNew Cingular Wireless Pcs, Llc
720-327DenverNew Cingular Wireless Pcs, Llc
720-328DenverComcast Phone Of Colorado, Llc - Co
720-329DenverNew Cingular Wireless Pcs, Llc
720-330DenverIcg Telecom Group - Co
720-331EnglewoodSprint Spectrum L.p.
720-333EnglewoodSprint Spectrum L.p.
720-334EnglewoodSprint Spectrum L.p.
720-335EnglewoodSprint Spectrum L.p.
720-336DenverBandwidth.com Clec, Llc - Co
720-338DenverNew Cingular Wireless Pcs, Llc
720-339EnglewoodSprint Spectrum L.p.
720-340DenverCellco Partnership Dba Verizon Wireless - Co
720-341DenverT-mobile Usa, Inc.
720-343DenverLevel 3 Communications, Llc - Co
720-344LittletonQwest Corporation
720-345DenverZippytech Incorporated
720-346WestminsterCellco Partnership Dba Verizon Wireless - Co
720-347DenverLevel 3 Telecom Of Colorado, Llc - Co
720-348LittletonQwest Corporation
720-350EnglewoodSprint Spectrum L.p.
720-351EnglewoodSprint Spectrum L.p.
720-352DenverT-mobile Usa, Inc.
720-353EnglewoodSprint Spectrum L.p.
720-354EnglewoodLevel 3 Telecom Of Colorado, Llc - Co
720-355EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-356DenverAt&t Local
720-357EnglewoodNew Cingular Wireless Pcs, Llc
720-359DenverQwest Corporation
720-360DenverNew Cingular Wireless Pcs, Llc
720-361DenverEschelon Telecom Of Colorado, Inc. - Co
720-362EnglewoodQwest Corporation
720-363EnglewoodSprint Spectrum L.p.
720-364DenverNew Cingular Wireless Pcs, Llc
720-365DenverNew Cingular Wireless Pcs, Llc
720-366DenverNew Cingular Wireless Pcs, Llc
720-367EnglewoodXo Colorado, Llc
720-369DenverNew Cingular Wireless Pcs, Llc
720-370DenverBandwidth.com Clec, Llc - Co
720-371EnglewoodSprint Spectrum L.p.
720-372DenverT-mobile Usa, Inc.
720-373EnglewoodSprint Spectrum L.p.
720-374DenverQwest Corporation
720-375DenverCommnet Wireless, Llc
720-376WestminsterEschelon Telecom Of Colorado, Inc. - Co
720-377EnglewoodXo Colorado, Llc
720-378DenverNew Cingular Wireless Pcs, Llc
720-379DenverIcg Telecom Group - Co
720-380EnglewoodSprint Spectrum L.p.
720-381DenverComcast Phone Of Colorado, Llc - Co
720-382DenverEschelon Telecom Of Colorado, Inc. - Co
720-383WestminsterCellco Partnership Dba Verizon Wireless - Co
720-384WestminsterXo Colorado, Llc
720-385DenverXo Colorado, Llc
720-386DenverBandwidth.com Clec, Llc - Co
720-387AuroraLevel 3 Telecom Of Colorado, Llc - Co
720-388DenverCellco Partnership Dba Verizon Wireless - Co
720-389EnglewoodXo Colorado, Llc
720-390WestminsterIloka, Inc. Dba Newcloud Networks - Co
720-391EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-392EnglewoodYmax Communications Corp. - Co
720-393AuroraLevel 3 Telecom Of Colorado, Llc - Co
720-394DenverT-mobile Usa, Inc.
720-395DenverAt&t Local
720-396DenverAt&t Local
720-397DenverAt&t Local
720-398DenverNew Cingular Wireless Pcs, Llc
720-399DenverLevel 3 Communications, Llc - Co
720-400DenverT-mobile Usa, Inc.
720-401DenverT-mobile Usa, Inc.
720-402EnglewoodEschelon Telecom Of Colorado, Inc. - Co
720-403WestminsterPeerless Network Of Colorado, Llc - Co
720-404DenverNew Cingular Wireless Pcs, Llc
720-405DenverWest Telecom Services, Llc - Co
720-406BoulderQwest Corporation
720-407DenverCbeyond Communications, Llc - Co
720-408DenverBandwidth.com Clec, Llc - Co
720-409DenverMcleodusa Telecommunications Services, Inc.- Co
720-410DenverComcast Phone Of Colorado, Llc - Co
720-412DenverNew Cingular Wireless Pcs, Llc
720-413EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-415WestminsterCellco Partnership Dba Verizon Wireless - Co