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
771-212 1   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-09-16   
771-212 2   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-09-16   
771-212 3   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-09-16   
771-212 4   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-09-16   
771-212 5   939H COMMIO, LLC 236   2022-08-25   
771-212 6   850D ONVOY, LLC - DC 236   2022-09-23   
771-212 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-10-07   
771-212 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-10-07   
771-212 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-10-07   
771-213 A BTVLMD12CMA  5562 METROPCS, INC. 236      
771-213 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-11-09   
771-213 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-11-09   
771-213 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-11-09   
771-213 3   850D ONVOY, LLC - DC 236   2022-09-11   
771-213 4   850D ONVOY, LLC - DC 236   2022-09-11   
771-213 5   850D ONVOY, LLC - DC 236   2022-09-11   
771-213 6   850D ONVOY, LLC - DC 236   2022-09-11   
771-213 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-08-20   
771-213 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-08-20   
771-213 9   5562 METROPCS, INC. 236   2022-08-20   
771-214 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-214 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-214 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-08-29   
771-215 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-215 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-10-21   
771-215 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2022-10-27   
771-215 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-215 9   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-10-22   
771-216 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
771-216 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-11-18   
771-216 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-11-18   
771-216 2   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-11-18   
771-216 3   275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2023-09-08   
771-216 4   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 5   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-08-30   
771-216 8   850D ONVOY, LLC - DC 236   2023-09-08   
771-216 9   850D ONVOY, LLC - DC 236   2023-09-08   
771-217 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
771-217 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-26   
771-217 4   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2022-11-26   
771-217 5   275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2022-11-26   
771-217 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-217 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-217 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-217 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-25   
771-218 A VINNVACBDS0  850D ONVOY, LLC - DC 236      
771-218 0   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 1   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 2   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 3   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 4   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 5   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 6   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 7   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 8   850D ONVOY, LLC - DC 236   2023-01-02   
771-218 9   850D ONVOY, LLC - DC 236   2023-01-02   
771-219 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
771-219 0   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 1   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 2   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 3   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2023-01-03   
771-219 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-219 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-30   
771-220 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
771-220 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2023-03-10   
771-220 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-220 2   850D ONVOY, LLC - DC 236   2023-03-11   
771-220 3   850D ONVOY, LLC - DC 236   2023-03-11   
771-220 4   850D ONVOY, LLC - DC 236   2023-03-11   
771-220 5   850D ONVOY, LLC - DC 236   2023-03-11   
771-220 6   850D ONVOY, LLC - DC 236   2023-03-11   
771-220 7   850D ONVOY, LLC - DC 236   2023-03-11   
771-220 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-220 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-17   
771-221 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
771-221 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2023-11-23   
771-221 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-03-04   

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

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