Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Washington Zone 1, DC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
202-923 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-923 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-923 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-923 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-924 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-925 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-925 0 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-925 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-925 2 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-925 3 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-925 4 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-925 5 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-925 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-925 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-925 8 WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
202-925 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-926 A WASHDCRKBMD  645H AIRUS, INC. - DC 236      
202-926 0 WASHDCSWCMD  812C INTRADO COMMUNICATIONS LLC 236      
202-926 1 WASHDCRKBMD  645H AIRUS, INC. - DC 236      
202-926 2 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-926 3 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-926 4 WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
202-926 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-926 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-926 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-926 8 WASHDCSWCMD  812C INTRADO COMMUNICATIONS LLC 236      
202-926 9 WASHDCSWCMD  812C INTRADO COMMUNICATIONS LLC 236      
202-927 A WASHDCSWDSA  9211 VERIZON WASHINGTON DC, INC. 236      
202-928 A SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
202-929 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-929 0 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 1 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 2 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 3 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 4 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 5 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 6 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-929 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-929 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-929 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-930 A WASHDCSWVMD  156J RCLEC, INC. 236      
202-930 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-930 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-930 2 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-930 3 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-930 4 WASHDCSWVMD  156J RCLEC, INC. 236      
202-930 5 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-930 6 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
202-930 7 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-930 8 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-930 9 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-931 0 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 1 BTVLMD127MD  5562 METROPCS, INC. 236      
202-931 2 BTVLMD127MD  5562 METROPCS, INC. 236      
202-931 3 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 4 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 5 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 6 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 7 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-931 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-931 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-932 A VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 0 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 1 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 2 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 3 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 4 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 5 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 6 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 7 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 8 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-932 9 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 A WASHDC125MD  197D VONAGE AMERICA LLC 236      
202-933 0 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 1 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 2 WASHDC125MD  197D VONAGE AMERICA LLC 236      
202-933 3 WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
202-933 4 WASHDC125MD  197D VONAGE AMERICA LLC 236      
202-933 5 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 6 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 7 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 8 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-933 9 VINNVACBDS0  850D ONVOY, LLC - DC 236      
202-934 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-934 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-934 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-934 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-934 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-934 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.