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: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 239

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-239 A Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-239 0 Kent WA STTLWAWBXSZ  939H COMMIO, LLC 674   2021-10-14   
253-239 1 Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-239 2 Kent WA STTLWAWBXSZ  939H COMMIO, LLC 674   2021-10-14   
253-239 3 Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-239 4 Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-239 5 Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-239 6 Kent WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-239 7 Kent WA STTLWA060MD  5562 METROPCS, INC. 674   2015-11-30   
253-239 8 Kent WA STTLWA060MD  5562 METROPCS, INC. 674   2015-11-30   
253-239 9 Kent WA STTLWAWBXSZ  939H COMMIO, LLC 674   2021-10-14   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.