720 Area Code has 483 prefixes

PrefixPrimary CityCarrier
720-416DenverMetro Pcs, Inc.
720-418DenverMcimetro Access Transmission Services Llc
720-420DenverLevel 3 Communications, Llc - Co
720-421DenverT-mobile Usa, Inc.
720-422DenverNew Cingular Wireless Pcs, Llc
720-423DenverQwest Corporation
720-424DenverQwest Corporation
720-425WestminsterCellco Partnership Dba Verizon Wireless - Co
720-427DenverT-mobile Usa, Inc.
720-428EnglewoodOnvoy, Llc - Co
720-429DenverNew Cingular Wireless Pcs, Llc
720-430DenverAt&t Local
720-431DenverNew Cingular Wireless Pcs, Llc
720-432DenverBandwidth.com Clec, Llc - Co
720-434DenverNew Cingular Wireless Pcs, Llc
720-435DenverNew Cingular Wireless Pcs, Llc
720-436DenverNew Cingular Wireless Pcs, Llc
720-437EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-438DenverOnvoy, Llc - Co
720-439DenverNew Cingular Wireless Pcs, Llc
720-440EnglewoodNew Cingular Wireless Pcs, Llc
720-441DenverBandwidth.com Clec, Llc - Co
720-442WestminsterBandwidth.com Clec, Llc - Co
720-443DenverBandwidth.com Clec, Llc - Co
720-445WestminsterCellco Partnership Dba Verizon Wireless - Co
720-446EnglewoodXo Colorado, Llc
720-447DenverNew Cingular Wireless Pcs, Llc
720-448DenverNew Cingular Wireless Pcs, Llc
720-449EnglewoodXo Colorado, Llc
720-450EnglewoodMcimetro Access Transmission Services Llc
720-451DenverT-mobile Usa, Inc.
720-452DenverPeerless Network Of Colorado, Llc - Co
720-454WestminsterMcleodusa Telecommunications Services, Inc.- Co
720-456WestminsterLevel 3 Telecom Of Colorado, Llc - Co
720-457DenverLevel 3 Communications, Llc - Co
720-458EnglewoodLevel 3 Telecom Of Colorado, Llc - Co
720-459DenverOnvoy, Llc - Co
720-460DenverEschelon Telecom Of Colorado, Inc. - Co
720-464DenverBandwidth.com Clec, Llc - Co
720-465DenverNew Cingular Wireless Pcs, Llc
720-466DenverNew Cingular Wireless Pcs, Llc
720-467WestminsterCellco Partnership Dba Verizon Wireless - Co
720-468DenverLevel 3 Communications, Llc - Co
720-469DenverNew Cingular Wireless Pcs, Llc
720-470WestminsterCellco Partnership Dba Verizon Wireless - Co
720-471WestminsterCellco Partnership Dba Verizon Wireless - Co
720-472AuroraTeleport Communications America, Llc - Co
720-473DenverCbeyond Communications, Llc - Co
720-474EnglewoodSprint Spectrum L.p.
720-475AuroraTeleport Communications America, Llc - Co
720-476DenverNew Cingular Wireless Pcs, Llc
720-477DenverOnvoy, Llc - Co
720-479DenverTeleport Communications America, Llc - Co
720-480DenverNew Cingular Wireless Pcs, Llc
720-482EnglewoodQwest Corporation
720-484DenverEschelon Telecom Of Colorado, Inc. - Co
720-485DenverComcast Phone Of Colorado, Llc - Co
720-488EnglewoodQwest Corporation
720-489EnglewoodQwest Corporation
720-490EnglewoodSprint Spectrum L.p.
720-491WestminsterNew Cingular Wireless Pcs, Llc
720-493EnglewoodQwest Corporation
720-494LongmontQwest Corporation
720-495DenverNew Cingular Wireless Pcs, Llc
720-496DenverLevel 3 Communications, Llc - Co
720-497GoldenQwest Corporation
720-498WestminsterCellco Partnership Dba Verizon Wireless - Co
720-499DenverT-mobile Usa, Inc.
720-502DenverComcast Phone Of Colorado, Llc - Co
720-504DenverBandwidth.com Clec, Llc - Co
720-505WestminsterCellco Partnership Dba Verizon Wireless - Co
720-506DenverLevel 3 Communications, Llc - Co
720-508DenverEschelon Telecom Of Colorado, Inc. - Co
720-509EnglewoodXo Colorado, Llc
720-514AuroraTeleport Communications America, Llc - Co
720-515DenverBandwidth.com Clec, Llc - Co
720-518DenverEschelon Telecom Of Colorado, Inc. - Co
720-519DenverTeleport Communications America, Llc - Co
720-521EnglewoodAmerican Messaging Services, Llc
720-523BrightonQwest Corporation
720-524DenverQwest Corporation
720-525EnglewoodSprint Spectrum L.p.
720-526DenverNew Cingular Wireless Pcs, Llc
720-528EnglewoodQwest Corporation
720-529EnglewoodQwest Corporation
720-530DenverNew Cingular Wireless Pcs, Llc
720-532DenverTeleport Communications America, Llc - Co
720-533AuroraTeleport Communications America, Llc - Co
720-535DenverTeleport Communications America, Llc - Co
720-536EnglewoodQwest Corporation
720-538DenverCellco Partnership Dba Verizon Wireless - Co
720-539DenverNew Cingular Wireless Pcs, Llc
720-540WestminsterQwest Corporation
720-541EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-542WestminsterQwest Corporation
720-544DenverQwest Corporation
720-545WestminsterLevel 3 Communications, Llc - Co
720-548DenverGlobal Crossing Local Services, Inc.-co
720-549DenverLevel 3 Communications, Llc - Co
720-550DenverMcleodusa Telecommunications Services, Inc.- Co
720-551DenverNew Cingular Wireless Pcs, Llc
720-552WestminsterCellco Partnership Dba Verizon Wireless - Co
720-554EnglewoodQwest Corporation
720-556WestminsterCellco Partnership Dba Verizon Wireless - Co
720-557WestminsterCellco Partnership Dba Verizon Wireless - Co
720-559AuroraTeleport Communications America, Llc - Co
720-560DenverNew Cingular Wireless Pcs, Llc
720-561BoulderQwest Corporation
720-562BoulderQwest Corporation
720-563LittletonQwest Corporation
720-564BoulderQwest Corporation
720-565BoulderQwest Corporation
720-566BroomfieldQwest Corporation
720-568EnglewoodQwest Corporation
720-569DenverNew Cingular Wireless Pcs, Llc
720-570DenverQwest Corporation
720-577DenverLevel 3 Communications, Llc - Co
720-578DenverQwest Corporation
720-579DenverXo Colorado, Llc
720-581EnglewoodSprint Spectrum L.p.
720-583DenverOnvoy, Llc - Co
720-585EnglewoodCommnet Wireless, Llc
720-587DenverAt&t Local
720-588Denver365 Wireless, Llc
720-589DenverT-mobile Usa, Inc.
720-590DenverOnvoy, Llc - Co
720-596AuroraTeleport Communications America, Llc - Co
720-600DenverOnvoy, Llc - Co
720-606DenverNew Cingular Wireless Pcs, Llc
720-608DenverBandwidth.com Clec, Llc - Co
720-609DenverNew Cingular Wireless Pcs, Llc
720-612EnglewoodSprint Spectrum L.p.
720-618WestminsterCellco Partnership Dba Verizon Wireless - Co
720-620DenverNew Cingular Wireless Pcs, Llc
720-621DenverNew Cingular Wireless Pcs, Llc
720-622BoulderQwest Corporation
720-623DenverNeutral Tandem-colorado, Llc - Co
720-624AuroraTeleport Communications America, Llc - Co
720-625DenverMcleodusa Telecommunications Services, Inc.- Co
720-626EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-627DenverQwest Corporation
720-628DenverNew Cingular Wireless Pcs, Llc
720-629DenverNew Cingular Wireless Pcs, Llc
720-630DenverNew Cingular Wireless Pcs, Llc
720-633EnglewoodNew Cingular Wireless Pcs, Llc
720-634DenverMcimetro Access Transmission Services Llc
720-635DenverNew Cingular Wireless Pcs, Llc
720-636EnglewoodCellco Partnership Dba Verizon Wireless - Co
720-638DenverComcast Phone Of Colorado, Llc - Co
720-639DenverOnvoy, Llc - Co
720-641EnglewoodSprint Spectrum L.p.
720-644DenverMcleodusa Telecommunications Services, Inc.- Co
720-645DenverT-mobile Usa, Inc.
720-648DenverCellco Partnership Dba Verizon Wireless - Co
720-652LongmontQwest Corporation
720-660WestminsterCellco Partnership Dba Verizon Wireless - Co
720-663DenverBandwidth.com Clec, Llc - Co
720-666WestminsterPeerless Network Of Colorado, Llc - Co
720-670WestminsterCellco Partnership Dba Verizon Wireless - Co
720-675DenverNew Cingular Wireless Pcs, Llc
720-683DenverBandwidth.com Clec, Llc - Co
720-684DenverIcg Telecom Group - Co
720-685BrightonQwest Corporation
720-689DenverBandwidth.com Clec, Llc - Co
720-690DenverNew Cingular Wireless Pcs, Llc
720-708DenverTeliax, Inc. - Co
720-722DenverCenturylink Communications Llc
720-723DenverEschelon Telecom Of Colorado, Inc. - Co
720-724EnglewoodEschelon Telecom Of Colorado, Inc. - Co
720-726DenverComcast Phone Of Colorado, Llc - Co
720-729DenverBandwidth.com Clec, Llc - Co
720-732EnglewoodSprint Spectrum L.p.
720-733Castle RockQwest Corporation
720-737WestminsterCellco Partnership Dba Verizon Wireless - Co
720-739DenverBandwidth.com Clec, Llc - Co
720-744AuroraQwest Corporation
720-746EnglewoodQwest Corporation
720-747AuroraQwest Corporation
720-748AuroraQwest Corporation
720-763DenverNew Cingular Wireless Pcs, Llc
720-767DenverT-mobile Usa, Inc.
720-771DenverT-mobile Usa, Inc.
720-775DenverNew Cingular Wireless Pcs, Llc
720-785AuroraTeleport Communications America, Llc - Co
720-789DenverLevel 3 Communications, Llc - Co
720-800DenverOnvoy, Llc - Co
720-808DenverBandwidth.com Clec, Llc - Co
720-810WestminsterCellco Partnership Dba Verizon Wireless - Co
720-822WestminsterCellco Partnership Dba Verizon Wireless - Co
720-833EnglewoodQwest Corporation
720-836DenverIcg Telecom Group - Co
720-837EnglewoodSprint Spectrum L.p.
720-838EnglewoodSprint Spectrum L.p.
720-839EnglewoodSprint Spectrum L.p.
720-840EnglewoodSprint Spectrum L.p.
720-841EnglewoodSprint Spectrum L.p.
720-842ParkerQwest Corporation
720-847AuroraQwest Corporation
720-848AuroraQwest Corporation
720-849EnglewoodSprint Spectrum L.p.