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
202-538 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2006-02-06   
202-538 6 BTVLMD127MD  5562 METROPCS, INC. 236   2004-02-16   
202-538 7 BTVLMD127MD  5562 METROPCS, INC. 236   2004-02-16   
202-538 8 WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-538 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2006-02-06   
202-539 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 2 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 3 BTVLMD127MD  5562 METROPCS, INC. 236   2019-01-28   
202-539 4 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 5 BTVLMD127MD  5562 METROPCS, INC. 236   2019-01-28   
202-539 6 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 7 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 8 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-539 9 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-540 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-540 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2008-07-19   
202-540 1 HRNDVA13AMD  4725 CAVALIER TELEPHONE, LLC - VA 236   2008-08-11   
202-540 2 HRNDVA13AMD  4725 CAVALIER TELEPHONE, LLC - VA 236   2008-08-11   
202-540 3 HRNDVA13AMD  4725 CAVALIER TELEPHONE, LLC - VA 236   2008-08-11   
202-540 4 HRNDVA13AMD  4725 CAVALIER TELEPHONE, LLC - VA 236   2008-08-11   
202-540 5 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2008-08-18   
202-540 6 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2008-07-31   
202-540 7 TYCRVA03AMD  2515 US LEC OF VIRGINIA, LLC - DC 236   2008-12-10   
202-540 8 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-07-20   
202-540 9 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-07-20   
202-541 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-542 A WASHDCDP8MD  9748 AMERICAN MESSAGING SERVICES, LLC 236      
202-543 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-544 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 0 WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 1 WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-545 3 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-545 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-545 5 WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 6 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-545 7 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2014-12-13   
202-545 8 WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-545 9 WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-546 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-547 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 A WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 0 WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 1 WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 2 WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 3 WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-548 4 WASHDCLCDS0  9211 VERIZON WASHINGTON DC, INC. 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.