631 Area Code has 677 prefixes

PrefixPrimary CityCarrier
631-204SouthamptonVerizon New York Inc.
631-205YaphankVerizon New York Inc.
631-206Bay ShoreVerizon New York Inc.
631-207PatchogueVerizon New York Inc.
631-208RiverheadVerizon New York Inc.
631-209ShorehamVerizon New York Inc.
631-210Long Island CityBroadview Networks, Inc. - Ny
631-213White PlainsTc Systems,inc. - Ny
631-216SeafordVerizon New York Inc.
631-217New YorkAmerican Network, Inc.
631-218SayvilleVerizon New York Inc.
631-219FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-220SyossetOmnipoint Communications, Inc. - Ny
631-221WantaghVerizon New York Inc.
631-223New YorkXo New York, Inc.
631-224Bay ShoreVerizon New York Inc.
631-225LindenhurstVerizon New York Inc.
631-226LindenhurstVerizon New York Inc.
631-227Long Island CityBroadview Networks, Inc. - Ny
631-228New YorkXo New York, Inc.
631-229New YorkXo New York, Inc.
631-230New YorkPeerless Network Of New York, Llc - Ny
631-231BrentwoodVerizon New York Inc.
631-232BrentwoodVerizon New York Inc.
631-233BrentwoodVerizon New York Inc.
631-234BrentwoodVerizon New York Inc.
631-235FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-236WestburyBroadwing Communications, Llc - Ny
631-237New YorkCablevision Lightpath, Inc. - Ny
631-238New YorkCablevision Lightpath, Inc. - Ny
631-239HuntingtonTc Systems,inc. - Ny
631-240BrooklynBroadwing Communications, Llc - Ny
631-241FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-242Deer ParkVerizon New York Inc.
631-243Deer ParkVerizon New York Inc.
631-244SayvilleVerizon New York Inc.
631-245New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-246SeafordVerizon New York Inc.
631-247HuntingtonTc Systems,inc. - Ny
631-248New YorkPeerless Network Of New York, Llc - Ny
631-249FarmingdaleVerizon New York Inc.
631-250White PlainsCablevision Lightpath, Inc. - Ny
631-251New YorkBroadwing Communications, Llc - Ny
631-252FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-253Deer ParkVerizon New York Inc.
631-254Deer ParkVerizon New York Inc.
631-255New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-256HuntingtonTc Systems,inc. - Ny
631-257HicksvilleCablevision Lightpath, Inc. - Ny
631-258FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-259SouthamptonVerizon New York Inc.
631-261East NorthportVerizon New York Inc.
631-262East NorthportVerizon New York Inc.
631-263FarmingdaleVerizon New York Inc.
631-264MassapequaVerizon New York Inc.
631-265SmithtownVerizon New York Inc.
631-266East NorthportVerizon New York Inc.
631-267East HamptonVerizon New York Inc.
631-268New YorkPeerless Network Of New York, Llc - Ny
631-269East NorthportVerizon New York Inc.
631-270New YorkXo New York, Inc.
631-271Huntington StationVerizon New York Inc.
631-272BrentwoodVerizon New York Inc.
631-273BrentwoodVerizon New York Inc.
631-274Deer ParkVerizon New York Inc.
631-275FarmingdaleSprint Spectrum L.p.
631-276WestburySprint Spectrum L.p.
631-277Bay ShoreVerizon New York Inc.
631-278FarmingdaleSprint Spectrum L.p.
631-279New YorkUsa Mobility Wireless, Inc.
631-280New YorkUsa Mobility Wireless, Inc.
631-281MasticVerizon New York Inc.
631-282YaphankVerizon New York Inc.
631-283SouthamptonVerizon New York Inc.
631-284RiverheadVerizon New York Inc.
631-285RonkonkomaVerizon New York Inc.
631-286PatchogueVerizon New York Inc.
631-287SouthamptonVerizon New York Inc.
631-288Westhampton BeachVerizon New York Inc.
631-289PatchogueVerizon New York Inc.
631-291FarmingdaleSprint Spectrum L.p.
631-292New YorkLevel 3 Communications, Llc - Ny
631-293FarmingdaleVerizon New York Inc.
631-294WestburySprint Spectrum L.p.
631-295WestburyGlobal Crossing Local Services, Inc.-ny
631-296White PlainsCablevision Lightpath, Inc. - Ny
631-297New YorkPaetec Communications, Inc. - Ny
631-298CutchogueVerizon New York Inc.
631-299Long Island CityBroadview Networks, Inc. - Ny
631-300BrentwoodVerizon New York Inc.
631-302New YorkXo New York, Inc.
631-306New YorkGlobal Crossing Local Services, Inc.-ny
631-307New Hyde ParkLocal Access Llc - Ny
631-312New Hyde ParkTc Systems,inc. - Ny
631-315White PlainsCablevision Lightpath, Inc. - Ny
631-316FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-317New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-319White PlainsVerizon New York Inc.
631-320White PlainsCablevision Lightpath, Inc. - Ny
631-321BabylonVerizon New York Inc.
631-322New YorkUsa Mobility Wireless, Inc.
631-323GreenportVerizon New York Inc.
631-324East HamptonVerizon New York Inc.
631-325Westhampton BeachVerizon New York Inc.
631-326New YorkXo New York, Inc.
631-327New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-328New YorkBroadview Networks, Inc. - Ny
631-329East HamptonVerizon New York Inc.
631-331Port Jefferson StationVerizon New York Inc.
631-332New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-333New YorkBroadview Networks, Inc. - Ny
631-334WestburySprint Spectrum L.p.
631-335FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-336SyossetMetro Pcs, Inc.
631-337New YorkGlobal Crossing Local Services, Inc.-ny
631-338FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-339FarmingdaleBandwidth.com Clec, Llc - Ny
631-340New YorkUsa Mobility Wireless, Inc.
631-341Yaphank
631-342BrentwoodVerizon New York Inc.
631-343White PlainsCablevision Lightpath, Inc. - Ny
631-344YaphankVerizon New York Inc.
631-345YaphankVerizon New York Inc.
631-346WestburyBandwidth.com Clec, Llc - Ny
631-348BrentwoodVerizon New York Inc.
631-349ScarsdaleAquis Communications, Inc.
631-350Garden CityMci Worldcom Communications Inc. - Ny
631-351Huntington StationVerizon New York Inc.
631-352WestburySprint Spectrum L.p.
631-353New Hyde ParkBandwidth.com Clec, Llc - Ny
631-354New YorkLevel 3 Communications, Llc - Ny
631-355SyossetOmnipoint Communications, Inc. - Ny
631-356FarmingdaleOmnipoint Communications, Inc. - Ny
631-357FarmingdaleVerizon New York Inc.
631-358FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-359New YorkPeerless Network Of New York, Llc - Ny
631-360SmithtownVerizon New York Inc.
631-361SmithtownVerizon New York Inc.
631-363PatchogueVerizon New York Inc.
631-364New YorkBroadview Networks, Inc. - Ny
631-365FarmingdaleSprint Spectrum L.p.
631-366SmithtownVerizon New York Inc.
631-367Huntington StationVerizon New York Inc.
631-368East NorthportVerizon New York Inc.
631-369RiverheadVerizon New York Inc.
631-370New YorkTc Systems,inc. - Ny
631-371WestburySprint Spectrum L.p.
631-373New YorkUsa Mobility Wireless, Inc.
631-374New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-375New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-376BabylonVerizon New York Inc.
631-377New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-378New YorkLevel 3 Communications, Llc - Ny
631-379FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-380New YorkTc Systems,inc. - Ny
631-382SmithtownVerizon New York Inc.
631-383WestburySprint Spectrum L.p.
631-384WestburySprint Spectrum L.p.
631-385Huntington StationVerizon New York Inc.
631-386New YorkPaetec Communications, Inc. - Ny
631-387WestburyTc Systems,inc. - Ny
631-388FarmingdaleCablevision Lightpath, Inc. - Ny
631-389Long Island CityBroadview Networks, Inc. - Ny
631-390HicksvilleCablevision Lightpath, Inc. - Ny
631-391FarmingdaleVerizon New York Inc.
631-392White PlainsCablevision Lightpath, Inc. - Ny
631-393HicksvilleCablevision Lightpath, Inc. - Ny
631-394WestburySprint Spectrum L.p.
631-395MasticVerizon New York Inc.
631-396HicksvilleCablevision Lightpath, Inc. - Ny
631-398SyossetOmnipoint Communications, Inc. - Ny
631-399MasticVerizon New York Inc.
631-400New YorkTelcentris Communications, Llc - Ny
631-402FarmingdaleTelengy L.l.c. - Ny
631-403White PlainsXo New York, Inc.
631-404WestburyAt&t Local
631-405FarmingdaleXo New York, Inc.
631-406New YorkRcn Telecom Services, Inc. - Ny
631-407White PlainsBandwidth.com Clec, Llc - Ny
631-408SyossetOmnipoint Communications, Inc. - Ny
631-409WantaghVerizon New York Inc.
631-410New YorkBroadview Networks, Inc. - Ny
631-412New YorkXo New York, Inc.
631-413New Hyde ParkNew Cingular Wireless Pcs, Llc - Dc
631-414HicksvilleCablevision Lightpath, Inc. - Ny
631-415New YorkGlobal Crossing Local Services, Inc.-ny
631-416FarmingdaleCellco Partnership Dba Verizon Wireless - Ny
631-417HicksvilleCablevision Lightpath, Inc. - Ny
631-418New YorkAllegiance Telecom, Inc. - Ny
631-419SayvilleVerizon New York Inc.
631-420FarmingdaleVerizon New York Inc.
631-421Huntington StationVerizon New York Inc.
631-422BabylonVerizon New York Inc.
631-423Huntington StationVerizon New York Inc.
631-424Huntington StationVerizon New York Inc.
631-425Huntington StationVerizon New York Inc.
631-426New YorkUsa Mobility Wireless, Inc.
631-427Huntington StationVerizon New York Inc.
631-428SyossetOmnipoint Communications, Inc. - Ny
631-431WestburySprint Spectrum L.p.