Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Washington Zone 1, DC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
202-372 A LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-372 0 LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-372 1 LNHMMDADGT0  8831 STARPOWER COMMUNICATIONS, LLC - DC 236   2005-11-23   
202-372 2 LNHMMDADGT0  8831 STARPOWER COMMUNICATIONS, LLC - DC 236   2005-11-23   
202-372 3 LNHMMDADGT0  8831 STARPOWER COMMUNICATIONS, LLC - DC 236   2005-11-23   
202-372 4 LNHMMDADGT0  8831 STARPOWER COMMUNICATIONS, LLC - DC 236   2005-11-23   
202-372 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-08-09   
202-372 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-10   
202-372 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-08-09   
202-372 8 LNHMMDADGT0  8831 STARPOWER COMMUNICATIONS, LLC - DC 236   2005-11-23   
202-372 9 LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-373 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 0 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 1 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-07-10   
202-373 3 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-03-11   
202-373 5 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 6 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 7 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-373 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-07-10   
202-373 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-07-10   
202-374 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-375 A LARLMDCCAMD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-375 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-05-27   
202-375 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-06-11   
202-375 2 LARLMDCCAMD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-375 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-01-11   
202-375 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-08-16   
202-375 5 LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-375 6 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236   2006-07-07   
202-375 7 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236   2006-07-07   
202-375 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-01-21   
202-375 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-08-09   
202-376 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 0 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 1 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 2 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 3 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 4 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 5 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 6 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 7 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 8 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-377 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-14   
202-378 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-378 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-13   
202-378 1 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-378 2 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-378 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-12-03   
202-378 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-13   
202-378 5 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-378 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-13   
202-378 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-12-03   
202-378 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-01-08   
202-378 9 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-379 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 0 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-12-03   
202-379 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-07-02   
202-379 7 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-379 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-07-02   
202-379 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-380 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-380 0 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-380 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-380 2 BTVLMD12CMA  5562 METROPCS, INC. 236   2005-02-20   
202-380 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-380 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-380 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-07-02   
202-380 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-07-02   
202-380 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-07-02   
202-380 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-07-02   
202-380 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-381 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-381 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2017-10-28   
202-381 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2017-10-28   
202-381 2 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2017-10-28   
202-381 3 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2017-10-28   
202-381 4 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-10-29   
202-381 5 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-10-29   
202-381 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-03   
202-381 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-03   
202-381 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-03   
202-381 9 WASHDCSWCMD  812C INTRADO COMMUNICATIONS LLC 236   2017-10-29   
202-382 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-383 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-384 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-384 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-16   
202-384 1 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236   2007-06-01   
202-384 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2007-02-05   
202-384 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2007-02-05   
202-384 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2007-02-06   
202-384 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2007-02-06   
202-384 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2007-02-06   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.