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
202-436 8   9211 VERIZON WASHINGTON DC, INC. 236   2004-10-11   
202-436 9   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2006-12-08   
202-437 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 0   5562 METROPCS, INC. 236      
202-437 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-437 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-438 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-439 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-440 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-440 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-12-02   
202-440 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-12-05   
202-440 2   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-12-05   
202-440 3   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-12-05   
202-440 4   5562 METROPCS, INC. 236   2011-12-05   
202-440 5   5562 METROPCS, INC. 236   2011-12-05   
202-440 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-12-05   
202-440 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-12-05   
202-440 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-12-05   
202-440 9   5562 METROPCS, INC. 236   2011-12-05   
202-441 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-442 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-443 A   829J PAETEC ITEL, LLC 236   2025-04-02   
202-443 0   829J PAETEC ITEL, LLC 236   2008-09-13   
202-443 1   551G NUSO, LLC 236   2020-06-11   
202-443 2   624H ONVOY SPECTRUM, LLC 236   2020-06-11   
202-443 3   624H ONVOY SPECTRUM, LLC 236   2020-06-11   
202-443 5   829J PAETEC ITEL, LLC 236   2008-09-13   
202-443 6   829J PAETEC ITEL, LLC 236   2008-09-13   
202-443 7   829J PAETEC ITEL, LLC 236   2008-09-13   
202-443 8   829J PAETEC ITEL, LLC 236   2008-09-13   
202-443 9   829J PAETEC ITEL, LLC 236   2008-09-13   
202-444 A   829J PAETEC ITEL, LLC 236   2025-04-02   
202-445 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 2   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2005-08-22   
202-445 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-445 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-446 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-446 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-446 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-446 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-446 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-09-13   
202-446 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-09-13   
202-446 5   5562 METROPCS, INC. 236   2005-07-29   
202-446 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-13   
202-446 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-13   
202-446 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-10-09   
202-446 9   5562 METROPCS, INC. 236   2005-07-29   
202-447 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-448 A   829J PAETEC ITEL, LLC 236   2025-04-02   
202-449 A MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-01-27   
202-449 1   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-01-27   
202-449 3   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 4   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 5   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 6   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 7   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 8   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-449 9   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-450 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-450 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2009-06-12   
202-450 1   318J COMCAST IP PHONE, LLC 236   2009-07-31   
202-450 2   318J COMCAST IP PHONE, LLC 236   2009-07-31   
202-450 3   318J COMCAST IP PHONE, LLC 236   2009-07-31   
202-450 4   318J COMCAST IP PHONE, LLC 236   2009-07-31   

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

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