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
202-774 3 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-06-11   
202-774 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2014-10-01   
202-774 5 HRNDVACKBMD  5977 BROADVIEW NETWORKS, INC. - DC 236   2014-06-12   
202-774 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2014-10-01   
202-774 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2014-10-01   
202-774 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2014-10-01   
202-774 9 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2015-05-26   
202-775 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-776 A WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-777 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
202-778 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-779 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-779 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2012-01-19   
202-779 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-09-22   
202-779 9 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2013-06-28   
202-780 A LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-780 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 2 LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236   2014-09-08   
202-780 3 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 4 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 5 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 6 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 7 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 8 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-780 9 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-09-09   
202-781 A WASHDCSEDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-782 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-783 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-784 A WASHDCGTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-785 A WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-786 A WASHDCMODS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-04-20   
202-787 1 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2003-02-17   
202-787 2 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 3 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2003-02-17   
202-787 4 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 5 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2003-02-17   
202-787 6 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2003-02-17   
202-787 7 WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-787 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-04-20   
202-787 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-04-20   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.