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