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
202-556 8 BTVLMD127MD  5562 METROPCS, INC. 236   2009-03-06   
202-556 9 BTVLMD127MD  5562 METROPCS, INC. 236   2009-03-06   
202-557 A WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-557 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-09-11   
202-557 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-09-11   
202-557 2 WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-557 3 WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-557 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-09-11   
202-557 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-09-11   
202-557 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-09-11   
202-557 7 WASHDCMTDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-557 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-08-13   
202-557 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-12-02   
202-558 A MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-558 0 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2004-11-01   
202-558 1 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2004-08-25   
202-558 2 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2004-08-25   
202-558 3 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2004-08-25   
202-558 4 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-558 5 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2004-08-25   
202-558 6 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2004-08-25   
202-558 7 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2004-08-25   
202-558 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2004-12-02   
202-558 9 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-05-16   
202-559 A MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-559 0 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-03-14   
202-559 1 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2009-09-16   
202-559 2 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-05-13   
202-559 3 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-05-13   
202-559 4 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2009-10-09   
202-559 5 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-04-11   
202-559 6 VINNVACBDS0  850D ONVOY, LLC - DC 236   2009-11-21   
202-559 7 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-05-08   
202-559 8 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-06-02   
202-559 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-06-02   
202-560 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-560 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
202-560 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
202-560 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
202-560 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
202-560 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
202-560 5 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-02-04   
202-560 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-01-07   
202-560 7 BTVLMD127MD  5562 METROPCS, INC. 236   2008-01-07   
202-560 8 BTVLMD127MD  5562 METROPCS, INC. 236   2008-01-07   
202-560 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-01-07   
202-561 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-562 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-563 A WASHDCCHDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-564 A WASHDCMODSS  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.