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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
202-342 A WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-343 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-344 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-344 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-23   
202-344 1 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236   2003-09-13   
202-344 2 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236   2003-09-13   
202-344 3 WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236   2003-09-13   
202-344 4 WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236   2003-05-28   
202-344 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-04-05   
202-344 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-23   
202-344 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-23   
202-344 8 WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236   2003-05-28   
202-344 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-345 A BTVLMD127MD  5562 METROPCS, INC. 236      
202-345 0 BTVLMD127MD  5562 METROPCS, INC. 236      
202-345 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-345 2 BTVLMD127MD  5562 METROPCS, INC. 236      
202-345 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-345 4 BTVLMD127MD  5562 METROPCS, INC. 236      
202-345 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-345 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-345 7 BTVLMD127MD  5562 METROPCS, INC. 236      
202-345 8 BTVLMD127MD  5562 METROPCS, INC. 236      
202-345 9 BTVLMD127MD  5562 METROPCS, INC. 236      
202-346 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-347 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-348 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-349 A TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 0 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 1 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 2 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 3 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 4 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 5 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 6 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 7 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236   2004-05-07   
202-349 8 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-349 9 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236      
202-350 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-350 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-06-21   
202-350 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-06-21   
202-350 2 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-07-07   
202-350 3 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2012-08-05   
202-350 4 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2012-06-08   
202-350 5 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-09-22   
202-350 6 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-09-22   
202-350 7 BTVLMD127MD  5562 METROPCS, INC. 236   2004-01-17   
202-350 8 HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236   2005-10-13   
202-350 9 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2004-12-13   
202-351 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.