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
771-202 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
771-202 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-21   
771-202 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-21   
771-202 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-21   
771-202 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-21   
771-202 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-21   
771-202 5   275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2023-04-22   
771-202 6   850D ONVOY, LLC - DC 236   2023-06-11   
771-202 7   850D ONVOY, LLC - DC 236   2023-06-11   
771-202 8   850D ONVOY, LLC - DC 236   2023-06-11   
771-202 9   850D ONVOY, LLC - DC 236   2023-06-11   
771-203 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
771-203 0   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 1   850D ONVOY, LLC - DC 236   2022-10-25   
771-203 2   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 3   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 4   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 5   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 6   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2022-04-05   
771-203 7   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 8   850D ONVOY, LLC - DC 236   2022-04-06   
771-203 9   850D ONVOY, LLC - DC 236   2022-04-06   
771-204 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-204 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-204 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-205 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-205 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-206 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-206 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-207 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-207 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-14   
771-208 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-208 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-23   
771-208 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-23   
771-208 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-23   
771-208 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-23   
771-208 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-05-23   
771-208 5   275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2022-05-24   
771-208 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-18   
771-208 7   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-07-16   
771-208 8   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-08-21   
771-208 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-23   
771-209 A BTVLMD12CMA  5562 METROPCS, INC. 236      
771-209 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-07-23   
771-209 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-06   
771-209 2   850D ONVOY, LLC - DC 236   2022-05-16   
771-209 3   850D ONVOY, LLC - DC 236   2022-05-16   
771-209 4   850D ONVOY, LLC - DC 236   2022-05-16   
771-209 5   850D ONVOY, LLC - DC 236   2022-05-16   
771-209 6   850D ONVOY, LLC - DC 236   2022-05-16   
771-209 7   850D ONVOY, LLC - DC 236   2022-05-16   
771-209 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-05-15   
771-210 A MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
771-210 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-23   
771-210 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-11-09   
771-210 2   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-05-27   
771-210 3   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-05-27   
771-210 4   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-05-27   
771-210 5   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-05-27   
771-210 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-05-29   
771-210 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-05-29   
771-210 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-05-29   
771-210 9   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-05-29   
771-212 A WASHDC128MD  939H COMMIO, LLC 236      
771-212 0   850D ONVOY, LLC - DC 236   2022-09-23   

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

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