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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-243 A Kent WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
253-243 0 Kent WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2017-08-06   
253-243 1 Kent WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
253-243 2 Kent WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
253-243 3 Kent WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
253-243 4 Kent WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-02-17   
253-243 5 Kent WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-02-17   
253-243 6 Kent WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2015-02-28   
253-243 7 Kent WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2012-10-09   
253-243 8 Kent WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-11-09   
253-243 9 Kent WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2015-07-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.