Local Calling Guide

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Search area code/prefix (NPA/NXX)
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Washington Zone 1, DC

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
202-421 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-421 2 BTVLMD12CMA  5562 METROPCS, INC. 236   2005-03-06   
202-421 3 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-421 4 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-421 5 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-421 6 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-421 7 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-421 8 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-421 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-422 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 0 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-422 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-02-03   
202-422 3 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-422 5 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 6 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 7 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 8 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-422 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-423 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 0 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 1 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 2 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2005-04-08   
202-423 3 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 4 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 5 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 6 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 7 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 8 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-423 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-424 A WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-424 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-08-04   
202-424 1 WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-424 2   829J PAETEC ITEL, LLC 236   2017-06-25   
202-424 3 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-03-25   
202-424 4 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-03-25   
202-424 5 WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-424 6 WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-424 7 WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-424 8 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-03-25   
202-424 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-07-13   
202-425 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 0 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 1 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-09   
202-425 3 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 4 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 5 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 6 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 7 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 8 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-425 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-426 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-427 A BTVLMD12CMA  5562 METROPCS, INC. 236   2024-02-09   
202-427 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-01-27   
202-427 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-04   
202-427 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-09   
202-427 3 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-427 4 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-427 5 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-427 6 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-427 7 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-427 8 BTVLMD12CMA  5562 METROPCS, INC. 236      
202-427 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-428 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-428 0 WASHDC127MD  073H TELNYX LLC 236   2020-08-21   
202-428 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2020-08-20   
202-428 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2020-08-20   
202-428 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2020-08-20   
202-428 4 WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2020-08-24   
202-428 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-21   
202-428 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2020-08-21   
202-428 7 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2020-08-21   
202-428 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-21   
202-428 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-21   
202-429 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-430 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-430 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-14   
202-430 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-14   
202-430 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-14   
202-430 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-14   
202-430 4 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-11-15   
202-430 5 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-08-11   
202-430 6 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-430 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-15   
202-430 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-15   
202-430 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-11-15   
202-431 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-432 A WASHDCSW07T  9211 VERIZON WASHINGTON DC, INC. 236      
202-433 A WASHDCSEDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-434 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-435 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-436 A WASHDCSEDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-436 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-12   
202-436 1 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-12   
202-436 2 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-12   
202-436 3 WASHDCSEDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-436 4 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-12   
202-436 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-12   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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