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, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
405-288 A WASHOKXARS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      
405-288 0 WASHOKXARS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      
405-288 1 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536      
405-288 2 WASHOKXARS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      
405-288 3 WASHOKXARP0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      
405-288 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-288 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-288 6 WASHOKXARS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 536      
405-288 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-288 8 OKCYOKCEXLZ  965H FRACTEL, LLC 536      
405-288 9 OKCYOKCEXEZ  073H TELNYX LLC 536      
572-465 A OKCYOKCEXLZ  965H FRACTEL, LLC 536      
572-465 0 OKCYOKCEXEZ  073H TELNYX LLC 536      
572-465 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
572-465 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
572-465 8 OKCYOKCEXLZ  965H FRACTEL, LLC 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.