410 Area Code has 775 prefixes

PrefixPrimary CityCarrier
410-610Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-612EdgewoodVerizon Maryland, Inc.
410-613BaltimoreVerizon Maryland, Inc.
410-615ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-616BaltimoreMci Worldcom Communications, Inc. - Md
410-617BaltimoreVerizon Maryland, Inc.
410-618PikesvilleIdt America Corp - Md
410-619LaurelVerizon Maryland, Inc.
410-620ElktonVerizon Maryland, Inc.
410-621Princess AnneVerizon Maryland, Inc.
410-622ElkridgeMci Worldcom Communications, Inc. - Md
410-623Marion StationVerizon Maryland, Inc.
410-624BaltimoreVerizon Maryland, Inc.
410-625BaltimoreVerizon Maryland, Inc.
410-626AnnapolisVerizon Maryland, Inc.
410-627Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-628CockeysvilleVerizon Maryland, Inc.
410-629BerlinVerizon Maryland, Inc.
410-630BaltimoreMci Worldcom Communications, Inc. - Md
410-631DundalkVerizon Maryland, Inc.
410-632Snow HillVerizon Maryland, Inc.
410-633DundalkVerizon Maryland, Inc.
410-634RidgelyVerizon Maryland, Inc.
410-635New WindsorVerizon Maryland, Inc.
410-636BrooklynVerizon Maryland, Inc.
410-637BaltimoreVerizon Maryland, Inc.
410-638Bel AirVerizon Maryland, Inc.
410-639Rock HallVerizon Maryland, Inc.
410-640HanoverUsa Mobility Wireless, Inc.
410-641BerlinVerizon Maryland, Inc.
410-642Port DepositVerizon Maryland, Inc.
410-643StevensvilleVerizon Maryland, Inc.
410-644BaltimoreVerizon Maryland, Inc.
410-645BaltimoreMci Worldcom Communications, Inc. - Md
410-646BaltimoreVerizon Maryland, Inc.
410-647Severna ParkVerizon Maryland, Inc.
410-648GalenaVerizon Maryland, Inc.
410-649BaltimoreTeleport Communications America, Llc - Md
410-650BaltimoreMci Worldcom Communications, Inc. - Md
410-651Princess AnneVerizon Maryland, Inc.
410-652ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-653PikesvilleVerizon Maryland, Inc.
410-654Owings MillsVerizon Maryland, Inc.
410-655RandallstownVerizon Maryland, Inc.
410-656BaltimoreArmstrong Telecommunications, Inc. - Md
410-657BaltimoreMci Worldcom Communications, Inc. - Md
410-658Rising SunArmstrong Telephone Co. Of Maryland
410-659BaltimoreVerizon Maryland, Inc.
410-660ElkridgeSprint Spectrum L.p.
410-661ParkvilleVerizon Maryland, Inc.
410-662BaltimoreVerizon Maryland, Inc.
410-663ParkvilleVerizon Maryland, Inc.
410-664BaltimoreVerizon Maryland, Inc.
410-665ParkvilleVerizon Maryland, Inc.
410-666CockeysvilleVerizon Maryland, Inc.
410-667CockeysvilleVerizon Maryland, Inc.
410-668ParkvilleVerizon Maryland, Inc.
410-669BaltimoreVerizon Maryland, Inc.
410-670BaltimoreMci Worldcom Communications, Inc. - Md
410-671EdgewoodVerizon Maryland, Inc.
410-672CroftonVerizon Maryland, Inc.
410-673PrestonVerizon Maryland, Inc.
410-674CroftonVerizon Maryland, Inc.
410-675BaltimoreVerizon Maryland, Inc.
410-676EdgewoodVerizon Maryland, Inc.
410-677DelmarVerizon Maryland, Inc.
410-678HanoverUsa Mobility Wireless, Inc.
410-679EdgewoodVerizon Maryland, Inc.
410-680LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-681HanoverUsa Mobility Wireless, Inc.
410-682EssexVerizon Maryland, Inc.
410-683CockeysvilleVerizon Maryland, Inc.
410-684Linthicum HeightsVerizon Maryland, Inc.
410-685BaltimoreVerizon Maryland, Inc.
410-686EssexVerizon Maryland, Inc.
410-687EssexVerizon Maryland, Inc.
410-688Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-689BaltimoreTeleport Communications America, Llc - Md
410-690SalisburyAt&t Local
410-691Linthicum HeightsVerizon Maryland, Inc.
410-692JarrettsvilleVerizon Maryland, Inc.
410-693ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-694Linthicum HeightsVerizon Maryland, Inc.
410-695CroftonVerizon Maryland, Inc.
410-696BaltimoreMci Worldcom Communications, Inc. - Md
410-697BaltimoreMci Worldcom Communications, Inc. - Md
410-698ColumbiaMci Worldcom Communications, Inc. - Md
410-699SalisburySprint Spectrum L.p.
410-701BaltimoreMci Worldcom Communications, Inc. - Md
410-702BaltimoreMci Worldcom Communications, Inc. - Md
410-703Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-705WashingtonBandwidth.com Clec, Llc - Md
410-706BaltimoreVerizon Maryland, Inc.
410-707BaltimoreCellco Partnership Dba Verizon Wireless - Md
410-708SalisburyCellco Partnership Dba Verizon Wireless - Md
410-709BaltimoreMci Worldcom Communications, Inc. - Md
410-710ElkridgeOmnipoint Communications Cap Operations, Llc
410-712HanoverVerizon Maryland, Inc.
410-713SalisburyLevel 3 Communications, Llc - Md
410-714SalisburyNew Cingular Wireless Pcs, Llc - Dc
410-715ColumbiaVerizon Maryland, Inc.
410-716TowsonVerizon Maryland, Inc.
410-717LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-718ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-719CatonsvilleVerizon Maryland, Inc.
410-720ColumbiaVerizon Maryland, Inc.
410-721CroftonVerizon Maryland, Inc.
410-722BeltsvilleVerizon Maryland, Inc.
410-723Ocean CityVerizon Maryland, Inc.
410-724LaurelVerizon Maryland, Inc.
410-725SalisburySprint Spectrum L.p.
410-726SalisburyCellco Partnership Dba Verizon Wireless - Md
410-727BaltimoreVerizon Maryland, Inc.
410-728BaltimoreVerizon Maryland, Inc.
410-729MillersvilleVerizon Maryland, Inc.
410-730ColumbiaVerizon Maryland, Inc.
410-731HanoverUsa Mobility Wireless, Inc.
410-732BaltimoreVerizon Maryland, Inc.
410-733ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-734ChurchvilleVerizon Maryland, Inc.
410-735HanoverCavalier Telephone Mid-atlantic, Llc - Md
410-736ColumbiaVerizon Maryland, Inc.
410-737BaltimoreVerizon Maryland, Inc.
410-738BeltsvilleVerizon Maryland, Inc.
410-739SalisburyNew Cingular Wireless Pcs, Llc - Dc
410-740ColumbiaVerizon Maryland, Inc.
410-741North BeachVerizon Maryland, Inc.
410-742DelmarVerizon Maryland, Inc.
410-743HanoverUsa Mobility Wireless, Inc.
410-744CatonsvilleVerizon Maryland, Inc.
410-745Saint MichaelsVerizon Maryland, Inc.
410-746Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-747CatonsvilleVerizon Maryland, Inc.
410-748HanoverUsa Mobility Wireless, Inc.
410-749DelmarVerizon Maryland, Inc.
410-750Ellicott CityVerizon Maryland, Inc.
410-751WestminsterVerizon Maryland, Inc.
410-752BaltimoreVerizon Maryland, Inc.
410-753BaltimoreMci Worldcom Communications, Inc. - Md
410-754FederalsburgVerizon Maryland, Inc.
410-755CeciltonVerizon Maryland, Inc.
410-756TaneytownVerizon Maryland, Inc.
410-757AnnapolisVerizon Maryland, Inc.
410-758CentrevilleVerizon Maryland, Inc.
410-759BaltimoreVerizon Maryland, Inc.
410-760Glen BurnieVerizon Maryland, Inc.
410-761Glen BurnieVerizon Maryland, Inc.
410-762Glen BurnieVerizon Maryland, Inc.
410-763EastonVerizon Maryland, Inc.
410-764PikesvilleVerizon Maryland, Inc.
410-765Linthicum HeightsVerizon Maryland, Inc.
410-766Glen BurnieVerizon Maryland, Inc.
410-767BaltimoreVerizon Maryland, Inc.
410-768Glen BurnieVerizon Maryland, Inc.
410-769TowsonVerizon Maryland, Inc.
410-770EastonVerizon Maryland, Inc.
410-771CockeysvilleVerizon Maryland, Inc.
410-772ColumbiaVerizon Maryland, Inc.
410-773CockeysvilleVerizon Maryland, Inc.
410-774BaltimoreMci Worldcom Communications, Inc. - Md
410-775Union BridgeVerizon Maryland, Inc.
410-776ElkridgeTeleport Communications America, Llc - Md
410-777BaltimoreMci Worldcom Communications, Inc. - Md
410-778ChestertownVerizon Maryland, Inc.
410-779HanoverLevel 3 Communications, Llc - Md
410-780EssexVerizon Maryland, Inc.
410-781SykesvilleVerizon Maryland, Inc.
410-782HanoverVerizon Maryland, Inc.
410-783BaltimoreVerizon Maryland, Inc.
410-784Deal IslandVerizon Maryland, Inc.
410-785CockeysvilleVerizon Maryland, Inc.
410-786BaltimoreVerizon Maryland, Inc.
410-787Glen BurnieVerizon Maryland, Inc.
410-788CatonsvilleVerizon Maryland, Inc.
410-789BrooklynVerizon Maryland, Inc.
410-790ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-791BeltsvilleVerizon Maryland, Inc.
410-792LaurelVerizon Maryland, Inc.
410-793ElkridgeVerizon Maryland, Inc.
410-794LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-795SykesvilleVerizon Maryland, Inc.
410-796ElkridgeVerizon Maryland, Inc.
410-797LaurelVerizon Maryland, Inc.
410-798MayoVerizon Maryland, Inc.
410-799ElkridgeVerizon Maryland, Inc.
410-800ElkridgeCellco Partnership Dba Verizon Wireless - Md
410-801BaltimoreMci Worldcom Communications, Inc. - Md
410-802ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-803Bel AirVerizon Maryland, Inc.
410-804Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-805ElkridgeSprint Spectrum L.p.
410-806HanoverUsa Mobility Wireless, Inc.
410-807ColumbiaLevel 3 Telecom Of Maryland, Llc - Md
410-808ElkridgeSprint Spectrum L.p.
410-809Bel AirCavalier Telephone, Llc (mid-atlantic) - Md
410-810ChestertownVerizon Maryland, Inc.
410-812ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-813BeltsvilleVerizon Maryland, Inc.
410-814HanoverCavalier Telephone Mid-atlantic, Llc - Md
410-815BeltsvilleVerizon Maryland, Inc.