410 Area Code has 775 prefixes

PrefixPrimary CityCarrier
410-816Windsor MillVerizon Maryland, Inc.
410-817ForkVerizon Maryland, Inc.
410-818ColumbiaTeleport Communications America, Llc - Md
410-819EastonVerizon Maryland, Inc.
410-820EastonVerizon Maryland, Inc.
410-821TowsonVerizon Maryland, Inc.
410-822EastonVerizon Maryland, Inc.
410-823TowsonVerizon Maryland, Inc.
410-824LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-825TowsonVerizon Maryland, Inc.
410-826BaltimoreNeutral Tandem-maryland, Llc - Md
410-827QueenstownVerizon Maryland, Inc.
410-828TowsonVerizon Maryland, Inc.
410-829SalisburyCellco Partnership Dba Verizon Wireless - Md
410-830TowsonVerizon Maryland, Inc.
410-831SalisburyOmnipoint Communications Cap Operations, Llc
410-832TowsonVerizon Maryland, Inc.
410-833ReisterstownVerizon Maryland, Inc.
410-835WillardsVerizon Maryland, Inc.
410-836Bel AirVerizon Maryland, Inc.
410-837BaltimoreVerizon Maryland, Inc.
410-838Bel AirVerizon Maryland, Inc.
410-839HanoverUsa Mobility Wireless, Inc.
410-840WestminsterVerizon Maryland, Inc.
410-841AnnapolisVerizon Maryland, Inc.
410-842BaltimoreMci Worldcom Communications, Inc. - Md
410-843BaltimoreTeleport Communications America, Llc - Md
410-844BaltimorePeerless Network Of Maryland, Llc
410-845SalisburySprint Spectrum L.p.
410-846BaltimoreMci Worldcom Communications, Inc. - Md
410-847TowsonVerizon Maryland, Inc.
410-848WestminsterVerizon Maryland, Inc.
410-849AnnapolisVerizon Maryland, Inc.
410-850Linthicum HeightsVerizon Maryland, Inc.
410-851TowsonVerizon Maryland, Inc.
410-852ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-853TowsonVerizon Maryland, Inc.
410-854OdentonVerizon Maryland, Inc.
410-855Linthicum HeightsVerizon Maryland, Inc.
410-856CockeysvilleVerizon Maryland, Inc.
410-857WestminsterVerizon Maryland, Inc.
410-858ElkridgeVerizon Maryland, Inc.
410-859Linthicum HeightsVerizon Maryland, Inc.
410-860DelmarVerizon Maryland, Inc.
410-861ReisterstownVerizon Maryland, Inc.
410-862ViennaNeutral Tandem-maryland, Llc - Md
410-863Glen BurnieVerizon Maryland, Inc.
410-864BaltimoreMci Worldcom Communications, Inc. - Md
410-865Linthicum HeightsVerizon Maryland, Inc.
410-866BaltimoreVerizon Maryland, Inc.
410-867GalesvilleVerizon Maryland, Inc.
410-868ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-869CatonsvilleVerizon Maryland, Inc.
410-870BaltimoreComcast Phone Of Northern Maryland, Inc. - Md
410-871WestminsterVerizon Maryland, Inc.
410-872ColumbiaVerizon Maryland, Inc.
410-873NanticokeVerizon Maryland, Inc.
410-874BaltimoreMci Worldcom Communications, Inc. - Md
410-875WestminsterVerizon Maryland, Inc.
410-876WestminsterVerizon Maryland, Inc.
410-877Bel AirVerizon Maryland, Inc.
410-878BaltimoreMci Worldcom Communications, Inc. - Md
410-879Bel AirVerizon Maryland, Inc.
410-880LaurelVerizon Maryland, Inc.
410-881BaltimoreMci Worldcom Communications, Inc. - Md
410-882ParkvilleVerizon Maryland, Inc.
410-883SharptownVerizon Maryland, Inc.
410-884ColumbiaVerizon Maryland, Inc.
410-885Chesapeake CityVerizon Maryland, Inc.
410-886TilghmanVerizon Maryland, Inc.
410-887TowsonVerizon Maryland, Inc.
410-888LaurelVerizon Maryland, Inc.
410-889BaltimoreVerizon Maryland, Inc.
410-890HanoverUsa Mobility Wireless, Inc.
410-891BaltimoreMci Worldcom Communications, Inc. - Md
410-892Linthicum HeightsVerizon Maryland, Inc.
410-893Bel AirVerizon Maryland, Inc.
410-894HanoverUsa Mobility Wireless, Inc.
410-895BaltimoreVerizon Maryland, Inc.
410-896DelmarVerizon Maryland, Inc.
410-897AnnapolisVerizon Maryland, Inc.
410-898BeltsvilleVerizon Maryland, Inc.
410-899HanoverUsa Mobility Wireless, Inc.
410-900BaltimoreCtc Communications Corp. - Md
410-901CambridgeVerizon Maryland, Inc.
410-902Owings MillsVerizon Maryland, Inc.
410-903ElkridgeSprint Spectrum L.p.
410-904BaltimoreMci Worldcom Communications, Inc. - Md
410-905ElkridgeSprint Spectrum L.p.
410-906BaltimoreVerizon Maryland, Inc.
410-907BaltimoreMci Worldcom Communications, Inc. - Md
410-908ElkridgeSprint Spectrum L.p.
410-909HanoverUsa Mobility Wireless, Inc.
410-910BaltimoreMci Worldcom Communications, Inc. - Md
410-912SalisburyCavalier Telephone, Llc (mid-atlantic) - Md
410-913Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-914Bel AirCavalier Telephone, Llc (mid-atlantic) - Md
410-916Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-917ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-918EssexVerizon Maryland, Inc.
410-919BaltimoreMci Worldcom Communications, Inc. - Md
410-920ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-921BaltimoreLevel 3 Telecom Of Maryland, Llc - Md
410-922RandallstownVerizon Maryland, Inc.
410-923MillersvilleVerizon Maryland, Inc.
410-924SalisburyCellco Partnership Dba Verizon Wireless - Md
410-925Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-926ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-927LaurelLevel 3 Telecom Of Maryland, Llc - Md
410-928MillingtonVerizon Maryland, Inc.
410-929BaltimoreBandwidth.com Clec, Llc - Md
410-930LaurelRedi-call Communications Co
410-931White MarshVerizon Maryland, Inc.
410-932HanoverUsa Mobility Wireless, Inc.
410-933White MarshVerizon Maryland, Inc.
410-934ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-935Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-937Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-938TowsonVerizon Maryland, Inc.
410-939Havre de GraceVerizon Maryland, Inc.
410-940ElkridgeAtx Telecommunications Services, Ltd
410-941BaltimoreVerizon Maryland, Inc.
410-942Havre de GraceVerizon Maryland, Inc.
410-943HurlockVerizon Maryland, Inc.
410-944Gwynn OakVerizon Maryland, Inc.
410-945BaltimoreVerizon Maryland, Inc.
410-946AnnapolisVerizon Maryland, Inc.
410-947BaltimoreVerizon Maryland, Inc.
410-948ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-949BaltimoreMci Worldcom Communications, Inc. - Md
410-951BaltimoreTeleport Communications America, Llc - Md
410-952Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-953ColumbiaVerizon Maryland, Inc.
410-955BaltimoreVerizon Maryland, Inc.
410-956MayoVerizon Maryland, Inc.
410-957Pocomoke CityVerizon Maryland, Inc.
410-960Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-961ElkridgeSprint Spectrum L.p.
410-962BaltimoreVerizon Maryland, Inc.
410-963ElkridgeSprint Spectrum L.p.
410-964ColumbiaVerizon Maryland, Inc.
410-965Gwynn OakVerizon Maryland, Inc.
410-966Gwynn OakVerizon Maryland, Inc.
410-967ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-968CrisfieldVerizon Maryland, Inc.
410-969Glen BurnieVerizon Maryland, Inc.
410-970BaltimoreMci Worldcom Communications, Inc. - Md
410-971ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-972ColumbiaTeleport Communications America, Llc - Md
410-973SalisburyMcc Telephony Of The Mid-atlantic, Llc - Md
410-974AnnapolisVerizon Maryland, Inc.
410-975Severna ParkVerizon Maryland, Inc.
410-976Baltimore-washington Telephone (bwt)
410-977ElkridgeSprint Spectrum L.p.
410-978ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-979ColumbiaNew Cingular Wireless Pcs, Llc - Dc
410-980Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-981Linthicum HeightsVerizon Maryland, Inc.
410-982ElkridgeQuantum Telecommunications, Inc. - Md
410-983WhitefordVerizon Maryland, Inc.
410-984ElkridgeSprint Spectrum L.p.
410-986BaltimoreVerizon Maryland, Inc.
410-987MillersvilleVerizon Maryland, Inc.
410-988BaltimoreVerizon Maryland, Inc.
410-989BaltimoreVerizon Maryland, Inc.
410-990AnnapolisVerizon Maryland, Inc.
410-991Windsor MillCellco Partnership Dba Verizon Wireless - Md
410-992ColumbiaVerizon Maryland, Inc.
410-993Linthicum HeightsVerizon Maryland, Inc.
410-994BaltimoreVerizon Maryland, Inc.
410-995ColumbiaVerizon Maryland, Inc.
410-996ElktonVerizon Maryland, Inc.
410-997ColumbiaVerizon Maryland, Inc.
410-998Owings MillsVerizon Maryland, Inc.
410-999BaltimoreBaltimore-washington Telephone (bwt)