Local Calling Guide

Area code/prefix search

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
202-775 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-776 A WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-777 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-778 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-779 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-779 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 2   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 3   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 9   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2013-06-28   
202-780 A LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-780 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 2   2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236   2014-09-08   
202-780 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-781 A WASHDCSEDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-782 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-783 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-784 A WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-785 A WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-786 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-04-20   
202-787 1   829J PAETEC ITEL, LLC 236   2003-02-17   
202-787 2   9211 VERIZON WASHINGTON DC, INC. 236      
202-787 3   829J PAETEC ITEL, LLC 236   2003-02-17   
202-787 4   9211 VERIZON WASHINGTON DC, INC. 236      
202-787 5   829J PAETEC ITEL, LLC 236   2003-02-17   
202-787 6   829J PAETEC ITEL, LLC 236   2003-02-17   
202-787 7   9211 VERIZON WASHINGTON DC, INC. 236      
202-787 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-04-20   
202-787 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-04-20   
202-788 A VINNVACB8MD  114J EXIANT COMMUNICATIONS LLC 236      
202-788 0   850D ONVOY, LLC - DC 236   2019-05-24   
202-788 1   114J EXIANT COMMUNICATIONS LLC 236   2019-04-27   
202-788 2   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2019-05-24   
202-788 3   850D ONVOY, LLC - DC 236   2019-05-24   
202-788 4   850D ONVOY, LLC - DC 236   2019-05-24   
202-788 5   850D ONVOY, LLC - DC 236   2019-05-24   
202-788 6   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2019-05-24   
202-788 7   850D ONVOY, LLC - DC 236   2019-05-24   
202-788 8   515J IP HORIZON LLC 236   2019-05-05   
202-788 9   515J IP HORIZON LLC 236   2019-05-05   
202-789 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-790 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-790 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 5   2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236   2015-08-16   
202-790 6   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2016-07-16   
202-790 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-790 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-28   
202-791 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-791 0   318J COMCAST IP PHONE, LLC 236   2015-03-20   
202-791 1   829J PAETEC ITEL, LLC 236   2014-07-15   
202-791 2   829J PAETEC ITEL, LLC 236   2014-07-15   
202-791 3   829J PAETEC ITEL, LLC 236   2014-07-15   
202-791 4   850D ONVOY, LLC - DC 236   2015-04-06   
202-791 5   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2014-06-09   
202-791 6   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2014-06-09   
202-791 7   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2014-06-09   
202-791 8   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2014-06-09   
202-791 9   829J PAETEC ITEL, LLC 236   2015-08-20   
202-792 A VINNVACB1MD  513G ATLANTECH ONLINE, INC. - DC 236      
202-792 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 1   513G ATLANTECH ONLINE, INC. - DC 236   2014-08-18   
202-792 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-792 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-08-30   
202-793 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-793 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-10-03   
202-793 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-10-03   
202-793 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-10-18   
202-793 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-10-18   
202-793 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-10-18   
202-793 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-10-18   
202-793 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-10-18   
202-793 7   850D ONVOY, LLC - DC 236   2014-10-12   
202-793 8   850D ONVOY, LLC - DC 236   2014-10-12   
202-793 9   5562 METROPCS, INC. 236   2014-10-02   
202-794 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      

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

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