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, KS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
785-325 A WASHKS03RS0  9533 SOUTHWESTERN BELL 534      
785-325 0   986E BANDWIDTH.COM CLEC, LLC - KS 534   2015-06-12   
785-325 1   9533 SOUTHWESTERN BELL 534      
785-325 2   9533 SOUTHWESTERN BELL 534      
785-325 3   6701 AERIAL COMMUNICATIONS, INC. 534   2025-04-18   
785-325 4   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 534   2005-01-30   
785-325 5   073H TELNYX LLC 534   2020-06-25   
785-325 6   516C AT&T CORP. 534   2013-11-08   
785-325 7   508J CENTURYLINK COMMUNICATIONS, LLC 534   2014-03-31   
785-325 8   6701 AERIAL COMMUNICATIONS, INC. 534   2025-08-23   
785-325 9   986E BANDWIDTH.COM CLEC, LLC - KS 534   2008-11-26   
785-510 A HOMEKSXAGT0  237F BLUE VALLEY TECHNOLOGIES, INC. 534      
785-510 0   986E BANDWIDTH.COM CLEC, LLC - KS 534   2017-08-14   
785-510 1   624H ONVOY SPECTRUM, LLC 534   2024-04-27   
785-510 2   205F ONVOY, LLC - KS 534   2018-05-14   
785-510 3   7593 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS 534   2018-02-02   
785-510 4   5562 METROPCS, INC. 534   2025-04-19   
785-510 5   6701 AERIAL COMMUNICATIONS, INC. 534   2025-06-07   
785-510 6   237F BLUE VALLEY TECHNOLOGIES, INC. 534   2010-02-22   
785-510 7   205F ONVOY, LLC - KS 534   2020-10-19   
785-510 8   205F ONVOY, LLC - KS 534   2020-10-19   
785-510 9   515J IP HORIZON LLC 534   2024-05-17   
785-541 A SALNKSDA1MD  6267 UNITED STATES CELLULAR - KS 534      
785-541 0   6267 UNITED STATES CELLULAR - KS 534      
785-541 1   6267 UNITED STATES CELLULAR - KS 534      
785-541 2   6267 UNITED STATES CELLULAR - KS 534   2019-10-14   
785-541 3   6701 AERIAL COMMUNICATIONS, INC. 534   2025-06-07   
785-541 4   6701 AERIAL COMMUNICATIONS, INC. 534   2025-05-11   
785-541 5   6701 AERIAL COMMUNICATIONS, INC. 534   2025-05-11   
785-541 6   8995 TELEPORT COMMUNICATIONS AMERICA, LLC - KS 534   2018-03-12   
785-541 7   6701 AERIAL COMMUNICATIONS, INC. 534   2025-06-07   
785-541 8   6701 AERIAL COMMUNICATIONS, INC. 534   2025-06-07   
785-541 9   6701 AERIAL COMMUNICATIONS, INC. 534   2025-08-23   
785-884 A   6701 AERIAL COMMUNICATIONS, INC. 534   2025-10-26   
785-884 0   6701 AERIAL COMMUNICATIONS, INC. 534   2025-10-26   
785-884 1   6701 AERIAL COMMUNICATIONS, INC. 534   2026-01-04   
785-884 2   6701 AERIAL COMMUNICATIONS, INC. 534   2026-01-04   
785-884 4   6701 AERIAL COMMUNICATIONS, INC. 534   2025-10-30   
785-884 5   6701 AERIAL COMMUNICATIONS, INC. 534   2026-01-16   
785-884 8   6701 AERIAL COMMUNICATIONS, INC. 534   2025-10-30   
785-884 9   6701 AERIAL COMMUNICATIONS, INC. 534   2025-10-26   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.