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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
202-880 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-09-27   
202-880 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-09-27   
202-880 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-09-27   
202-880 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-01-12   
202-881 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-881 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 2   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 3   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 4   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 5   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 7   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-881 9   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2015-07-15   
202-882 A WASHDCGGDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-883 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-883 0   5562 METROPCS, INC. 236   2016-12-10   
202-883 1   5562 METROPCS, INC. 236   2016-12-10   
202-883 2   5562 METROPCS, INC. 236   2017-01-10   
202-883 3   850D ONVOY, LLC - DC 236   2016-12-11   
202-883 4   850D ONVOY, LLC - DC 236   2016-12-11   
202-883 5   850D ONVOY, LLC - DC 236   2016-12-11   
202-883 6   850D ONVOY, LLC - DC 236   2016-12-11   
202-883 7   850D ONVOY, LLC - DC 236   2016-12-11   
202-883 8   850D ONVOY, LLC - DC 236   2016-12-11   
202-883 9   5562 METROPCS, INC. 236   2017-02-01   
202-884 A WASHDCDPDS2  9211 VERIZON WASHINGTON DC, INC. 236      
202-885 A WASHDCWLDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-885 0   9211 VERIZON WASHINGTON DC, INC. 236      
202-885 1   829J PAETEC ITEL, LLC 236      
202-885 2   829J PAETEC ITEL, LLC 236      
202-885 3   829J PAETEC ITEL, LLC 236      
202-885 4   9211 VERIZON WASHINGTON DC, INC. 236      
202-885 5   9211 VERIZON WASHINGTON DC, INC. 236      
202-885 6   829J PAETEC ITEL, LLC 236      
202-885 7   829J PAETEC ITEL, LLC 236      
202-885 8   829J PAETEC ITEL, LLC 236      
202-885 9   318J COMCAST IP PHONE, LLC 236   2007-01-23   
202-886 A WASHDCDP8MD  074F BANDWIDTH.COM CLEC, LLC - DC 236      
202-887 A WASHDCMTDS1  9211 VERIZON WASHINGTON DC, INC. 236      
202-888 A WASHDC12DS6  275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236      
202-888 0   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 1   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 2   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 3   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 4   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-888 8   275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2012-07-21   
202-888 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2012-09-07   
202-889 A WASHDCSEDS0  9211 VERIZON WASHINGTON DC, INC. 236      
202-890 A WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
202-890 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-09-22   
202-890 1   551G NUSO, LLC 236   2018-07-31   
202-890 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-31   
202-890 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-31   
202-890 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-31   
202-890 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-09-04   
202-890 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-09-04   
202-890 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-09-22   
202-890 8   624H ONVOY SPECTRUM, LLC 236   2018-07-30   
202-890 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-09-22   
202-891 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
202-891 0   5562 METROPCS, INC. 236   2018-11-12   
202-891 1   5562 METROPCS, INC. 236   2018-11-12   
202-891 2   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2018-11-12   
202-891 3   6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2018-11-12   
202-891 4   551G NUSO, LLC 236   2018-11-12   
202-891 5   551G NUSO, LLC 236   2018-11-12   
202-891 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2018-11-21   
202-891 7   318J COMCAST IP PHONE, LLC 236   2018-11-21   
202-891 8   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-11-21   
202-891 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-03-03   
202-892 A BTVLMD12CMA  5562 METROPCS, INC. 236      
202-892 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-11-05   
202-892 1   275F PEERLESS NETWORK OF THE DISTRICT OF COLUMBIA, DC 236   2018-11-16   
202-892 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-05   
202-892 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-05   
202-892 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-05   
202-892 5   074F BANDWIDTH.COM CLEC, LLC - DC 236   2018-11-18   
202-892 6   074F BANDWIDTH.COM CLEC, LLC - DC 236   2018-11-18   
202-892 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2018-11-18   
202-892 8   5562 METROPCS, INC. 236   2018-11-05   
202-892 9   5562 METROPCS, INC. 236   2018-11-04   
202-893 A WASKDCFNAMD  6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236      
202-893 0   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 1   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 2   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 3   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 4   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 5   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 6   6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC 236   2018-12-27   
202-893 7   074F BANDWIDTH.COM CLEC, LLC - DC 236   2019-09-11   
202-893 8   074F BANDWIDTH.COM CLEC, LLC - DC 236   2019-09-11   
202-893 9   074F BANDWIDTH.COM CLEC, LLC - DC 236   2019-09-11   
202-894 A LARLMDCC5MD  2801 LEVEL 3 TELECOM OF D.C., LLC - DC 236      
202-894 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-12-25   
202-894 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-12-25   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.