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
202-990 1   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 2   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 3   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 4   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 5   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 6   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 7   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 8   850D ONVOY, LLC - DC 236   2021-09-05   
202-990 9   850D ONVOY, LLC - DC 236   2021-09-05   
202-991 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 0   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 1   850D ONVOY, LLC - DC 236   2019-12-03   
202-991 2   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 3   850D ONVOY, LLC - DC 236   2019-12-03   
202-991 4   850D ONVOY, LLC - DC 236   2019-12-03   
202-991 5   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 6   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 7   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 8   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-991 9   074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-992 A VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-992 0   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 1   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 2   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 3   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 4   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 5   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 6   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 7   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 8   850D ONVOY, LLC - DC 236   2021-11-06   
202-992 9   850D ONVOY, LLC - DC 236   2021-11-06   
202-993 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-993 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 2   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 3   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 4   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 5   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2021-11-15   
202-993 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-14   
202-993 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-14   
202-993 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-14   
202-994 A   829J PAETEC ITEL, LLC 236   2025-04-02   
202-995 A WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
202-995 0   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 1   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 2   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 3   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 4   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 5   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 6   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 7   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 8   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-995 9   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
202-996 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-997 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-998 A VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-998 0   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 1   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 2   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 3   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 4   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 5   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 6   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 7   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 8   850D ONVOY, LLC - DC 236   2020-09-14   
202-998 9   850D ONVOY, LLC - DC 236   2020-09-14   
202-999 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-999 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-04-03   
202-999 1   850D ONVOY, LLC - DC 236   2011-04-05   
202-999 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-11-23   
202-999 3   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2011-11-23   
202-999 4   850D ONVOY, LLC - DC 236   2011-11-23   
202-999 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-11-23   
202-999 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-11-23   
202-999 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-11-23   
202-999 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-04-05   
202-999 9   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2011-04-05   
771-200 A BTVLMD12CMA  5562 METROPCS, INC. 236      
771-200 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-03-04   
771-200 1   624H ONVOY SPECTRUM, LLC 236   2022-03-04   
771-200 2   624H ONVOY SPECTRUM, LLC 236   2022-03-04   
771-200 3   850D ONVOY, LLC - DC 236   2022-03-04   
771-200 4   850D ONVOY, LLC - DC 236   2022-03-04   
771-200 5   850D ONVOY, LLC - DC 236   2022-03-04   
771-200 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-03-04   
771-200 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-03-04   
771-200 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-03-04   
771-200 9   5562 METROPCS, INC. 236   2022-03-03   
771-201 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
771-201 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-02-27   
771-201 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2022-02-27   
771-201 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   
771-201 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-26   

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

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