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.

NPA: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-878 A Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 0 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 1 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 2 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 3 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 4 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 5 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      
936-878 6 Washington TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-09-30   
936-878 7 Washington TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2012-07-20   
936-878 8 Washington TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-05-21   
936-878 9 Washington TX WASHTXXARS0  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 560      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.