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
202-817 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-02-11   
202-817 2 MCLNVA23DS4  6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2013-01-06   
202-817 3 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-01-06   
202-817 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-24   
202-817 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-24   
202-817 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-24   
202-817 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-24   
202-817 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-21   
202-817 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-21   
202-818 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-818 0 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-01-30   
202-818 1 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 2 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 3 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 4 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 5 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 6 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 7 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 8 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-01-30   
202-819 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-819 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-10-20   
202-819 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-10-20   
202-819 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-08   
202-819 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-08   
202-819 4 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-29   
202-819 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-11-29   
202-819 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2017-12-13   
202-819 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-10-16   
202-819 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-10-16   
202-819 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-10-16   
202-820 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-820 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-09-19   
202-820 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-09-19   
202-820 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-09-19   
202-820 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-09-19   
202-820 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-09-19   
202-820 5 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-09-18   
202-820 6 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-09-18   
202-820 7 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-09-18   
202-820 8 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-09-18   
202-820 9 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-09-18   
202-821 A WASHDCCZDS1  8964 XO D.C., INC. 236      
202-821 0 WASHDCCZDS1  8964 XO D.C., INC. 236      
202-821 1 WASHDCCZDS1  8964 XO D.C., INC. 236      
202-821 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-821 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-821 4 WASHDCCZDS1  8964 XO D.C., INC. 236      
202-821 5 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-821 6 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-821 7 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-821 8 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-821 9 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2005-02-07   
202-822 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-823 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-823 0 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-24   
202-823 1 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-24   
202-823 2 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-24   
202-823 3 WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-24   
202-823 4 WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236   2015-07-08   
202-823 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-14   
202-823 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-14   
202-823 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-14   
202-823 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-14   
202-823 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-11-14   
202-824 A WASHDCDNDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-825 A SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
202-826 A BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
202-826 0 BTVLMD12CMA  5562 METROPCS, INC. 236   2014-12-19   
202-826 1 BTVLMD12CMA  5562 METROPCS, INC. 236   2014-12-19   
202-826 2 BTVLMD12CMA  5562 METROPCS, INC. 236   2014-12-19   
202-826 3 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-826 4 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-826 5 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-826 6 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-826 7 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-826 8 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-826 9 BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-11-23   
202-827 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-827 0 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-02   
202-827 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-02   
202-827 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-02   
202-827 3 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-06-12   
202-827 4 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-06-12   
202-827 5 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-04-27   
202-827 6 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2014-04-27   
202-827 7 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-02   
202-827 8 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-01-06   
202-827 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-02   
202-828 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-829 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-830 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-830 0 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2013-04-11   
202-830 1 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2013-04-11   
202-830 2 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2013-04-11   
202-830 3 WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236   2013-04-11   
202-830 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-03-18   
202-830 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-03-18   
202-830 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-03-18   
202-830 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-03-18   

<< 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: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.