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
202-638 4   9211 VERIZON WASHINGTON DC, INC. 236      
202-638 5   9211 VERIZON WASHINGTON DC, INC. 236      
202-638 6   9211 VERIZON WASHINGTON DC, INC. 236      
202-638 7   9211 VERIZON WASHINGTON DC, INC. 236      
202-638 8   9211 VERIZON WASHINGTON DC, INC. 236      
202-638 9   5562 METROPCS, INC. 236   2014-12-19   
202-639 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-640 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-640 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-09-09   
202-640 1   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2006-08-31   
202-640 2   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2006-08-31   
202-640 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-08-17   
202-640 4   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-02-05   
202-640 5   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2006-08-31   
202-640 6   829J PAETEC ITEL, LLC 236   2007-10-22   
202-640 7   829J PAETEC ITEL, LLC 236   2007-10-22   
202-640 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-07-09   
202-640 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-07-09   
202-641 A WASHDCDTDS2  7421 AT&T - LOCAL 236      
202-641 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-06-03   
202-641 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-05-19   
202-641 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-06-15   
202-641 3   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-07-05   
202-641 4   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-08-20   
202-641 5   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-08-29   
202-641 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-08-29   
202-641 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-08-29   
202-641 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2003-08-29   
202-641 9   7421 AT&T - LOCAL 236      
202-642 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-642 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2009-09-11   
202-642 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-11-19   
202-642 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-11-19   
202-642 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-11-19   
202-642 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-11-19   
202-642 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-11-19   
202-642 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-03-05   
202-642 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-02-11   
202-642 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-02-11   
202-642 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-03-05   
202-643 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-643 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-643 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-05-06   
202-644 A WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-644 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-07-22   
202-644 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-07-22   
202-644 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-07-22   
202-644 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-07-22   
202-644 4   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2011-07-11   
202-644 5   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2011-07-11   
202-644 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-07-22   
202-644 7   850D ONVOY, LLC - DC 236   2011-07-12   
202-644 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2011-08-17   
202-644 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2011-08-17   
202-645 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-646 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-647 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-648 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-648 0   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 1   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 2   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 3   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 4   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 5   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 6   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 7   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 8   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-648 9   9211 VERIZON WASHINGTON DC, INC. 236   2005-06-12   
202-649 A WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-649 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-03-05   
202-649 1   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 2   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 3   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 4   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 5   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 6   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 7   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 8   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-649 9   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-04   
202-650 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-650 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2011-02-13   
202-650 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-02-16   
202-650 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-02-16   
202-650 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-02-16   
202-650 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-02-16   
202-650 5   829J PAETEC ITEL, LLC 236   2010-06-16   
202-650 6   829J PAETEC ITEL, LLC 236   2010-06-16   
202-650 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2010-06-17   
202-650 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-07-19   
202-650 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-07-19   
202-651 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-651 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-10-16   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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