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 17, VA

<< 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
571-501 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-19   
571-501 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-19   
571-501 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-19   
571-502 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-502 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-02   
571-502 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-02   
571-502 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-02   
571-502 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-24   
571-502 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-24   
571-502 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-19   
571-502 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-24   
571-502 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-24   
571-502 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-06-18   
571-502 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-06-18   
571-505 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-505 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-19   
571-505 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-505 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-507 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-507 0   939H COMMIO, LLC 236   2021-07-04   
571-507 1   939H COMMIO, LLC 236   2021-07-04   
571-507 2   515J IP HORIZON LLC 236   2021-08-21   
571-507 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-08-23   
571-507 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-08-23   
571-507 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-08-23   
571-507 6   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-06-25   
571-507 7   624H ONVOY SPECTRUM, LLC 236   2021-11-12   
571-507 8   939H COMMIO, LLC 236   2021-07-04   
571-507 9   939H COMMIO, LLC 236   2021-07-04   
571-531 A WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-531 0   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-03-27   
571-531 1   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-03-27   
571-531 2   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-03-27   
571-531 3   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-12-17   
571-531 4   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-12-17   
571-531 5   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-12-17   
571-531 6   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-12-17   
571-531 7   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-12-17   
571-531 8   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2022-06-20   
571-531 9   079F BANDWIDTH.COM CLEC, LLC - VA 236   2021-05-06   
571-533 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-533 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-07-11   
571-533 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-02-19   

<< 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 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.