410 Area Code has 775 prefixes

PrefixPrimary CityCarrier
410-403BaltimoreMci Worldcom Communications, Inc. - Md
410-404Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-405ForkVerizon Maryland, Inc.
410-406BaltimoreMci Worldcom Communications, Inc. - Md
410-407ElkridgeVerizon Maryland, Inc.
410-408HanoverUsa Mobility Wireless, Inc.
410-409Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-412BaltimoreMci Worldcom Communications, Inc. - Md
410-413BaltimoreMci Worldcom Communications, Inc. - Md
410-414Prince FrederickVerizon Maryland, Inc.
410-415PikesvilleVerizon Maryland, Inc.
410-416LaurelVerizon Maryland, Inc.
410-418Ellicott CityVerizon Maryland, Inc.
410-419ElkridgeSprint Spectrum L.p.
410-420Bel AirVerizon Maryland, Inc.
410-421Severna ParkVerizon Maryland, Inc.
410-422SalisburyNew Cingular Wireless Pcs, Llc - Dc
410-423BaltimoreTeleport Communications America, Llc - Md
410-424Glen BurnieVerizon Maryland, Inc.
410-425SalisburyVerizon Maryland, Inc.
410-426BaltimoreVerizon Maryland, Inc.
410-427BaltimoreTeleport Communications America, Llc - Md
410-428ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-429ReisterstownVerizon Maryland, Inc.
410-430SalisburyCellco Partnership Dba Verizon Wireless - Md
410-431Severna ParkVerizon Maryland, Inc.
410-432Severna ParkVerizon Maryland, Inc.
410-433BaltimoreVerizon Maryland, Inc.
410-434HanoverUsa Mobility Wireless, Inc.
410-435BaltimoreVerizon Maryland, Inc.
410-436EdgewoodVerizon Maryland, Inc.
410-437PasadenaVerizon Maryland, Inc.
410-438SudlersvilleVerizon Maryland, Inc.
410-439PasadenaVerizon Maryland, Inc.
410-440ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-441ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-442GlenwoodVerizon Maryland, Inc.
410-443SalisburyLevel 3 Communications, Llc - Md
410-444BaltimoreVerizon Maryland, Inc.
410-445HanoverUsa Mobility Wireless, Inc.
410-446ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-447HanoverUsa Mobility Wireless, Inc.
410-448Gwynn OakVerizon Maryland, Inc.
410-449BaltimoreBandwidth.com Clec, Llc - Md
410-450BaltimoreVerizon Maryland, Inc.
410-451CroftonVerizon Maryland, Inc.
410-452WhitefordVerizon Maryland, Inc.
410-453CockeysvilleVerizon Maryland, Inc.
410-454BaltimoreMci Worldcom Communications, Inc. - Md
410-455CatonsvilleVerizon Maryland, Inc.
410-456Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-457DarlingtonVerizon Maryland, Inc.
410-458Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-459Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-460HanoverUsa Mobility Wireless, Inc.
410-461Ellicott CityVerizon Maryland, Inc.
410-462BaltimoreVerizon Maryland, Inc.
410-463SalisburyCellco Partnership Dba Verizon Wireless - Md
410-464BaltimoreVerizon Maryland, Inc.
410-465Ellicott CityVerizon Maryland, Inc.
410-466BaltimoreVerizon Maryland, Inc.
410-467BaltimoreVerizon Maryland, Inc.
410-468BaltimoreVerizon Maryland, Inc.
410-469BaltimoreVerizon Maryland, Inc.
410-470BaltimoreVerizon Maryland, Inc.
410-471ElkridgeVerizon Maryland, Inc.
410-472Sparks GlencoeVerizon Maryland, Inc.
410-473HanoverUsa Mobility Wireless, Inc.
410-474Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-475HanoverUsa Mobility Wireless, Inc.
410-476TrappeVerizon Maryland, Inc.
410-477Sparrows PointVerizon Maryland, Inc.
410-478HanoverUsa Mobility Wireless, Inc.
410-479DentonVerizon Maryland, Inc.
410-480Ellicott CityVerizon Maryland, Inc.
410-482GreensboroVerizon Maryland, Inc.
410-483BaltimoreVerizon Maryland, Inc.
410-484PikesvilleVerizon Maryland, Inc.
410-485BaltimoreVerizon Maryland, Inc.
410-486PikesvilleVerizon Maryland, Inc.
410-487BaltimoreMci Worldcom Communications, Inc. - Md
410-488BaltimoreVerizon Maryland, Inc.
410-489GlenwoodVerizon Maryland, Inc.
410-490SalisburyCellco Partnership Dba Verizon Wireless - Md
410-491ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-492HanoverUsa Mobility Wireless, Inc.
410-493ElkridgeSprint Spectrum L.p.
410-494TowsonVerizon Maryland, Inc.
410-495Port RepublicVerizon Maryland, Inc.
410-496RandallstownVerizon Maryland, Inc.
410-497BaltimoreComcast Phone Of Northern Maryland, Inc. - Md
410-498HanoverCavalier Telephone Mid-atlantic, Llc - Md
410-499ElkridgeSprint Spectrum L.p.
410-500ElkridgeSprint Spectrum L.p.
410-501BaltimoreLightwave Communications, Llc - Md
410-502BaltimoreVerizon Maryland, Inc.
410-503ElkridgeVerizon Maryland, Inc.
410-504ColumbiaVerizon Maryland, Inc.
410-505ColumbiaVerizon Maryland, Inc.
410-506ElktonVerizon Maryland, Inc.
410-507Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-508ColumbiaVerizon Maryland, Inc.
410-510BaltimoreTeleport Communications America, Llc - Md
410-512TowsonVerizon Maryland, Inc.
410-513BaltimoreTeleport Communications America, Llc - Md
410-514MillersvilleVerizon Maryland, Inc.
410-515Bel AirVerizon Maryland, Inc.
410-516BaltimoreVerizon Maryland, Inc.
410-517ReisterstownVerizon Maryland, Inc.
410-518Severna ParkVerizon Maryland, Inc.
410-519CroftonVerizon Maryland, Inc.
410-520Ocean CityVerizon Maryland, Inc.
410-521RandallstownVerizon Maryland, Inc.
410-522BaltimoreVerizon Maryland, Inc.
410-523BaltimoreVerizon Maryland, Inc.
410-524Ocean CityVerizon Maryland, Inc.
410-525BaltimoreVerizon Maryland, Inc.
410-526ReisterstownVerizon Maryland, Inc.
410-527CockeysvilleVerizon Maryland, Inc.
410-528BaltimoreVerizon Maryland, Inc.
410-529Perry HallVerizon Maryland, Inc.
410-530ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-531ClarksvilleVerizon Maryland, Inc.
410-532BaltimoreVerizon Maryland, Inc.
410-533ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-534BaltimoreVerizon Maryland, Inc.
410-535Prince FrederickVerizon Maryland, Inc.
410-536BaltimoreVerizon Maryland, Inc.
410-537BaltimoreVerizon Maryland, Inc.
410-538EdgewoodVerizon Maryland, Inc.
410-539BaltimoreVerizon Maryland, Inc.
410-540ElkridgeVerizon Maryland, Inc.
410-541Severna ParkVerizon Maryland, Inc.
410-542BaltimoreVerizon Maryland, Inc.
410-543DelmarVerizon Maryland, Inc.
410-544Severna ParkVerizon Maryland, Inc.
410-545BaltimoreVerizon Maryland, Inc.
410-546DelmarVerizon Maryland, Inc.
410-547BaltimoreVerizon Maryland, Inc.
410-548DelmarVerizon Maryland, Inc.
410-549SykesvilleVerizon Maryland, Inc.
410-550BaltimoreVerizon Maryland, Inc.
410-551CroftonVerizon Maryland, Inc.
410-552SykesvilleVerizon Maryland, Inc.
410-553Glen BurnieVerizon Maryland, Inc.
410-554BaltimoreVerizon Maryland, Inc.
410-556ChestertownVerizon Maryland, Inc.
410-557JarrettsvilleVerizon Maryland, Inc.
410-558BaltimoreVerizon Maryland, Inc.
410-559BaltimoreTeleport Communications America, Llc - Md
410-560CockeysvilleVerizon Maryland, Inc.
410-561CockeysvilleVerizon Maryland, Inc.
410-562ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-563BaltimoreVerizon Maryland, Inc.
410-564ElkridgeTeleport Communications America, Llc - Md
410-565LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-566BaltimoreVerizon Maryland, Inc.
410-567BaltimoreMci Worldcom Communications, Inc. - Md
410-568BaltimoreTeleport Communications America, Llc - Md
410-569Bel AirVerizon Maryland, Inc.
410-570ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-571AnnapolisVerizon Maryland, Inc.
410-572DelmarVerizon Maryland, Inc.
410-573AnnapolisVerizon Maryland, Inc.
410-574EssexVerizon Maryland, Inc.
410-575AberdeenVerizon Maryland, Inc.
410-576BaltimoreVerizon Maryland, Inc.
410-577Owings MillsVerizon Maryland, Inc.
410-578BaltimoreVerizon Maryland, Inc.
410-579ElkridgeVerizon Maryland, Inc.
410-580PikesvilleVerizon Maryland, Inc.
410-581Owings MillsVerizon Maryland, Inc.
410-582Glen BurnieVerizon Maryland, Inc.
410-583TowsonVerizon Maryland, Inc.
410-584CockeysvilleVerizon Maryland, Inc.
410-585PikesvilleVerizon Maryland, Inc.
410-586Port RepublicVerizon Maryland, Inc.
410-587BaltimoreVerizon Maryland, Inc.
410-588Bel AirVerizon Maryland, Inc.
410-589LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-590Glen BurnieVerizon Maryland, Inc.
410-591Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-592ForkVerizon Maryland, Inc.
410-593ForkVerizon Maryland, Inc.
410-594Gwynn OakVerizon Maryland, Inc.
410-595LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-596Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-597Gwynn OakVerizon Maryland, Inc.
410-598Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-599ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-600EastonMci Worldcom Communications, Inc. - Md
410-601BaltimoreVerizon Maryland, Inc.
410-602PikesvilleVerizon Maryland, Inc.
410-603SalisburyNew Cingular Wireless Pcs, Llc - Dc
410-604StevensvilleVerizon Maryland, Inc.
410-605BaltimoreVerizon Maryland, Inc.
410-606BeltsvilleVerizon Maryland, Inc.
410-607HanoverUsa Mobility Wireless, Inc.
410-608ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-609BrooklynVerizon Maryland, Inc.