Get started
right now

Area Code — 240

Rate centers:

WSHNGTNZN2 , RIDGE , HAGERSTOWN , WSNGTNZN10 , WSNG236Z14 , DAMASCS236 , LA PLATA , INDIANHEAD , WALDORF , OAKLAND , MECHANCSVL , FREDERICK , NANJEMOY , TOMPKINSVL , POOLESVL , WSNGTNZN11 , WSNG236Z13 , HUGHESVL , LXTNPKGRML , LEONARDTN , GAITHERSBG , WSNGTNZN16 , WSHNGTNZN3 , BRANDYWINE , HIGHFIELD , WSHNGTNZN6 , LAUREL236 , GRANTSVL , FROSTBURG , HANCOCK , THURMONT , WSNGTNZN12 , WSHNGTNZN4 , WSHNGTNZN5 , EMMITSBURG , LAUREL238 , MCCOOLE , ASHTON238 , WSNG236Z15 , BUCKEYSTN , ASHTON236 , MYERSVILLE , CUMBERLAND , WILLIAMSPT , MOUNT AIRY , MIDDLETOWN , WSNG238Z14 , WSNG238Z13

Companies:

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

List of 240 Area-Code Phone Number Prefixes