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Information for area code 301

Phone numbers in area code 301 cover these cities in MD:

Waldorf, Saint Charles, Abell, Accokeek, Aquasco, Eagle Harbor, Avenue, Bel Alton, Benedict, Brandywine, Bryans Rd, Bryans Road, Marshall Hall, Bryantown, Bushwood, California, Callaway, Chaptico, Maddox, Charlott Hall, Charlotte Hall, Cheltenham, Clements, Cobb Island, Coltons Point, Compton, Dameron, Drayden, Faulkner, Great Mills, Helen, Hollywood, Hughesville, Indian Head, Pisgah, Ironsides, Issue, Swan Point, Dentsville, La Plata, Laplata, Leonardtown, Lex Pk, Lexington Park, Lexington Pk, Loveville, Marbury, Rison, Mechanicsville, Mechanicsvlle, Morganza, Mount Victoria, Mt Victoria, Nanjemoy, Newburg, Park Hall, Patuxent Riv, Patuxent River, Patuxent River Naval Air Sta, Piney Point, Piney Pt, Pomfret, Port Tobacco, Ridge, Rock Point, Rock Pt, Beachville, Saint Inigoes, St Inigoes, Saint Marys, Saint Marys City, St Marys City, Scotland, Tall Timbers, Valley Lee, Welcome, White Plains, Southern Md Brmas, Southern Md Facility, Sthrn Md Fac, Annapolis Jct, Annapolis Junction, Lanham, Lanham Seabrook, Seabrook, Beltsville, Calverton, Glenarden, Laurel, Montpelier, Bladensburg, Mount Rainier, Mt Rainier, Bowie, Mitchellville, S Bowie, South Bowie, W Bowie, Brentwd, Brentwood, Colmar Manor, Cottage City, N Brentwood, No Brentwood, North Brentwo, North Brentwood, Scaggsville, Maryland City, Md City, Russett, Capitol Heights, Capitol Hgts, Clinton, Riverdale, Riverdale Park, Riverdale Pk, Berwyn, Berwyn Heights, Berwyn Hts, College Park, North College Park, University Of Maryland, Fairmount Heights, Fairmount Hgt, Seat Pleasant, Fort Washington, Ft Washington, Forest Heights, Forest Hts, National Harbor, Oxon Hill, Camp Springs, Hillcrest Hgts, Hillcrest Hts, Marlow Heights, Morningside, Silver Hill, Suitland, Temple Hills, District Heights, District Hts, Forestville, Hillcrest Heights, Marlow Hgts, Dunkirk, Fulton, Andrews Afb, Andrews Air Force Base, Savage, Greenbelt, Glenn Dale, Goddard Flight Center, Marlboro, Upper Marlboro, Uppr Marlboro, Kettering, Largo, Springdale, Upr Marlboro, Highland, Avondale, Cheverly, Edmonston, Hyattsville, Rogers Heights, Tuxedo, Chillum, Green Meadow, Lewisdale, Prince Georges Metro Ctr, University Pa, University Park, W Hyattsville, West Hyattsville, Adelphi, Langley Park, Landover Hills, Landover Hls, New Carrolltn, New Carrollton, Ardmore, Landover, N Englewood, North Englewood, Palmer Park, Prince George Plaza, Capitol Heights Po, Jessup, Washington Ndc, Bethesda, Geico, Glen Echo, Chevy Chase, Chevy Chase Village, Chevy Chs Vlg, Martins Add, Martins Additions, N Chevy Chase, North Chevy Chase, Somerset, Westlake, Cabin John, W Bethesda, Olney, Brookeville, Sunshine, Unity, Poolesville, Barnesville, Beallsville, Boyds, Comus, Dickerson, Rockville, N Bethesda, No Bethesda, North Bethesda, Potomac, Derwood, Hhs, Sandy Spring, Ashton, Brinklow, Burtonsville, Spencerville, Clarksburg, Hyattstown, Damascus, Darnestown, Germantown, Gaithersburg, Montgomery Village, Montgomry Vlg, N Potomac, No Potomac, North Potomac, Laytonsville, Washingtn Grv, Washington Grove, National Naval Medical Ctr, Kensington, National Institute Of Health, National Library Of Medicine, Garrett Park, Subn Md Fac, Suburb Maryland Fac, Suburban Md Brm, Natl Institute Stds & Tech, Silver Spring, Takoma Park, Wheaton, Hillandale, Cloverly, Colesville, Aspen Hill, Glenmont, Leisure World, Norbeck, Takoma Pk, Us Food And Drug Admin, Cumberland, Cresaptown, Lavale, Accident, Barton, Bittinger, Bloomington, Corriganville, Eckhart Mines, Ellerslie, Flintstone, Friendsville, Frostburg, Midland, Grantsville, Jennings, Kitzmiller, Shallmar, Lonaconing, Luke, Westernport, Mc Henry, Mchenry, Sang Run, Midlothian, Mount Savage, Crellin, Deer Park, Hutton, Loch Lyn Hght, Loch Lynn Heights, Mnt Lake Park, Mountain Lake Park, Mt Lake Park, Mtin Lk Park, Oakland, Oldtown, Pinto, Rawlings, Spring Gap, Swanton, Mccoole, Frederick, Hood College, Lewistown, College Estates, Fort Detrick, Urbana, State Farm Ins Co, Adamstown, Doubs, Big Pool, Boonsboro, Braddock Heights, Braddock Hts, Brownsville, Brunswick, Knoxville, Buckeystown, Burkittsville, Cascade, Fort Ritchie, Highfield, Cavetown, Chewsville, Big Spring, Clear Spring, Emmitsburg, Fairplay, St James, Funkstown, Hagerstown, Northern, Maryland Correctional System, Citicorp, Citicorp (brm), Hancock, Ijamsville, Jefferson, Keedysville, Libertytown, Little Orleans, Ltl Orleans, Maugansville, Middletown, Monrovia, Mount Airy, Myersville, Lake Linganore, New Market, New Midway, Point Of Rocks, Pt Of Rocks, Rocky Ridge, Gapland, Rohrersville, Sabillasville, Saint James, Sharpsburg, Smithsburg, Graceham, Thurmont, Tuscarora, Walkersville, Williamsport, Woodsboro

The 301 area code covers these zip codes in MD:

20601, 20602, 20603, 20604, 20606, 20607, 20608, 20609, 20611, 20612, 20613, 20616, 20617, 20618, 20619, 20620, 20621, 20622, 20623, 20624, 20625, 20626, 20627, 20628, 20630, 20632, 20634, 20635, 20636, 20637, 20640, 20643, 20645, 20646, 20650, 20653, 20656, 20658, 20659, 20660, 20661, 20662, 20664, 20667, 20670, 20674, 20675, 20677, 20680, 20682, 20684, 20686, 20687, 20690, 20692, 20693, 20695, 20697, 20701, 20703, 20704, 20705, 20706, 20707, 20708, 20709, 20710, 20712, 20715, 20716, 20717, 20718, 20719, 20720, 20721, 20722, 20723, 20724, 20725, 20726, 20731, 20735, 20737, 20738, 20740, 20741, 20742, 20743, 20744, 20745, 20746, 20747, 20748, 20749, 20750, 20752, 20753, 20754, 20757, 20759, 20762, 20763, 20768, 20769, 20770, 20771, 20772, 20773, 20774, 20775, 20777, 20781, 20782, 20783, 20784, 20785, 20787, 20788, 20790, 20791, 20792, 20794, 20797, 20799, 20810, 20811, 20812, 20813, 20814, 20815, 20816, 20817, 20818, 20824, 20825, 20827, 20830, 20832, 20833, 20837, 20838, 20839, 20841, 20842, 20847, 20848, 20849, 20850, 20851, 20852, 20853, 20854, 20855, 20857, 20859, 20860, 20861, 20862, 20866, 20868, 20871, 20872, 20874, 20875, 20876, 20877, 20878, 20879, 20880, 20882, 20883, 20884, 20885, 20886, 20889, 20891, 20892, 20894, 20895, 20896, 20897, 20898, 20899, 20901, 20902, 20903, 20904, 20905, 20906, 20907, 20908, 20910, 20911, 20912, 20913, 20914, 20915, 20916, 20918, 20993, 20997, 21501, 21502, 21503, 21504, 21505, 21520, 21521, 21522, 21523, 21524, 21528, 21529, 21530, 21531, 21532, 21536, 21538, 21539, 21540, 21541, 21542, 21543, 21545, 21550, 21555, 21556, 21557, 21560, 21561, 21562, 21701, 21702, 21703, 21704, 21705, 21709, 21710, 21711, 21713, 21714, 21715, 21716, 21717, 21718, 21719, 21720, 21721, 21722, 21727, 21733, 21734, 21740, 21741, 21742, 21746, 21747, 21748, 21749, 21750, 21754, 21755, 21756, 21758, 21762, 21766, 21767, 21769, 21770, 21771, 21773, 21774, 21775, 21777, 21778, 21779, 21780, 21781, 21782, 21783, 21788, 21790, 21793, 21795, 21798

Rate centers:

INDIANHEAD , WSHNGTNZN2 , WSHNGTNZN6 , WSNG238Z14 , WSNG236Z13 , GAITHERSBG , WSHNGTNZN4 , LAUREL236 , WSNGTNZN10 , WSHNGTNZN3 , WSNG236Z14 , WILLIAMSPT , FREDERICK , WSNGTNZN11 , ASHTON236 , WSNGTNZN16 , WSNGTNZN12 , HIGHFIELD , BRANDYWINE , BITTINGER , NANJEMOY , LEONARDTN , DAMASCS236 , TOMPKINSVL , MT SAVAGE , WALDORF , CUMBERLAND , THURMONT , HUGHESVL , WSHNGTNZN5 , MECHANCSVL , MYERSVILLE , WSNG236Z15 , HAGERSTOWN , WALKERSVL , WSNG238Z13 , LAUREL238 , WSNG238Z15 , ASHTON238 , OAKLAND , LXTNPKGRML , POOLESVL , WESTERNPT , DAMASCS240 , MIDDLETOWN , LA PLATA , KEEDYSVL , EMMITSBURG , KITZMILLER , LONACONING , FLINTSTONE , HANCOCK , FROSTBURG , MOUNT AIRY , FRIENDSVL , MCCOOLE , BUCKEYSTN , SMITHSBURG , BRUNSWICK , CLEAR SPG , NEW MARKET , RIDGE , GRANTSVL , XXXXXXXXXX

Companies:

BANDWIDTH.COM CLEC, LLC , MCIMETRO ACCESS TRANSMISSION SERVICES LLC , NEW CINGULAR WIRELESS PCS, LLC - DC , US LEC OF MARYLAND, INC. , YMAX COMMUNICATIONS CORP. , VERIZON MARYLAND, INC. , CAVALIER TELEPHONE MID-ATLANTIC, LLC , USA MOBILITY WIRELESS, INC. , SPRINT SPECTRUM L.P. , OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC , NATIONSLINE, INC. , CORE COMMUNICATIONS, INC. , TELEPORT COMMUNICATIONS GROUP, INC. - DC , PAETEC COMMUNICATIONS, INC. , CELLCO PARTNERSHIP DBA VERIZON WIRELESS , AT&T LOCAL , LEVEL 3 COMMUNICATIONS, LLC , COMCAST PHONE OF NORTHERN MARYLAND, INC. , SPRINT COMMUNICATIONS COMPANY, L.P. , TELCOVE OPERATIONS, INC. , XO MARYLAND, LLC , BROADVIEW NETWORKS, INC. - DC , NEXTEL COMMUNICATIONS, INC. , LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. , RNK, INC. , TW TELECOM OF MARYLAND LLC , VDL, INC. DBA GLOBAL TELECOM BROKERS , IDT AMERICA CORP , USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD , CAVALIER EAST LLC , ATX TELECOMMUNICATIONS SERVICES, LTD , QUANTUM TELECOMMUNICATIONS, INC. , MCI WORLDCOM COMMUNICATIONS, INC. , BROADVIEW NETWORKS, INC. , GLOBAL CROSSING LOCAL SERVICES, INC. , CBEYOND COMM, LLC MD , LIGHTWAVE COMMUNICATIONS, LLC , CTC COMMUNICATIONS CORP. , ATX TELECOMMUNICATIONS SERVICES, LTD. , FIBERNET, LLC , BALTIMORE-WASHINGTON TELEPHONE BWT , ALLEGIANCE TELECOM, INC. , STARPOWER COMMUNICATIONS, LLC , GLOBAL NAPS, INC.-MA , BROADWING COMMUNICATIONS. LLC , GLOBAL NAPS SOUTH, INC. , US LEC OF VIRGINIA, LLC - DC , NEW FRONTIERS TELECOMMUNICATIONS, INC. , CORE COMMUNICATIONS, INC. - PA , VIRGINIA PCS ALLIANCE, L.C. , ICG TELECOM GROUP , CTC COMMUNICATIONS CORP. - DC

List of 301 Area-Code Phone Number Prefixes