Local Calling Guide

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Washington Zone 1, DC

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
202-538 8   9211 VERIZON WASHINGTON DC, INC. 236      
202-538 9   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2006-02-06   
202-539 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 0   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 1   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 2   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 3   5562 METROPCS, INC. 236   2019-01-28   
202-539 4   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 5   5562 METROPCS, INC. 236   2019-01-28   
202-539 6   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 7   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 8   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 9   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-540 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-540 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2008-07-19   
202-540 1   829J PAETEC ITEL, LLC 236   2008-08-11   
202-540 2   829J PAETEC ITEL, LLC 236   2008-08-11   
202-540 3   829J PAETEC ITEL, LLC 236   2008-08-11   
202-540 4   829J PAETEC ITEL, LLC 236   2008-08-11   
202-540 5   829J PAETEC ITEL, LLC 236   2008-08-18   
202-540 6   829J PAETEC ITEL, LLC 236   2008-07-31   
202-540 7   829J PAETEC ITEL, LLC 236   2008-12-10   
202-540 8   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-07-20   
202-540 9   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-07-20   
202-541 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-542 A WASHDCDP8MD  9748 AMERICAN MESSAGING SERVICES, LLC 236      
202-543 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-544 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 0   9211 VERIZON WASHINGTON DC, INC. 236      
202-545 1   9211 VERIZON WASHINGTON DC, INC. 236      
202-545 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-545 3   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-545 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-545 5   9211 VERIZON WASHINGTON DC, INC. 236      
202-545 6   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-545 7   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-545 8   9211 VERIZON WASHINGTON DC, INC. 236      
202-545 9   9211 VERIZON WASHINGTON DC, INC. 236      
202-546 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-547 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 0   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 1   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 2   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 3   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 4   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 5   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 6   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 7   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-548 8   9211 VERIZON WASHINGTON DC, INC. 236      
202-548 9   9211 VERIZON WASHINGTON DC, INC. 236      
202-549 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-550 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-551 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-551 0   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-551 1   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-551 2   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 3   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 4   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 5   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 6   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 7   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 8   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2004-06-10   
202-551 9   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-552 A   829J PAETEC ITEL, LLC 236   2025-04-02   
202-552 0   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2007-12-16   
202-552 1   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2007-12-16   
202-552 2   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 3   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 4   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 5   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 6   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 7   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 8   829J PAETEC ITEL, LLC 236   2006-02-10   
202-552 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-03-01   
202-553 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-553 0   5562 METROPCS, INC. 236   2008-01-06   
202-553 1   5562 METROPCS, INC. 236   2008-01-06   
202-553 2   5562 METROPCS, INC. 236   2008-01-06   
202-553 3   5562 METROPCS, INC. 236   2008-01-06   
202-553 4   5562 METROPCS, INC. 236   2008-01-06   
202-553 5   5562 METROPCS, INC. 236   2008-01-06   
202-553 6   5562 METROPCS, INC. 236   2008-01-06   
202-553 7   5562 METROPCS, INC. 236   2008-01-06   
202-553 8   5562 METROPCS, INC. 236   2008-01-06   
202-553 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-01-06   
202-554 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-556 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-556 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-09-06   
202-556 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-09-06   
202-556 2   829J PAETEC ITEL, LLC 236   2009-04-07   
202-556 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2009-09-06   
202-556 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2010-03-05   
202-556 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-03-06   
202-556 6   5562 METROPCS, INC. 236   2009-03-06   
202-556 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-03-06   
202-556 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-03-06   
202-556 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-03-06   
202-557 A WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      

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

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