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: 208 [Rate centres in NPA 208] [Dial plan for NPA 208]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
208-858 A Wellesley ID PALSWAXXRS1  4324 FRONTIER COMM NORTHWEST, LLC DBA ZIPLY FIBER 960      
208-858 1 Wellesley ID CRALIDXXKMD  7558 LEVEL 3 COMMUNICATIONS - ID 960   2004-11-15   
208-858 2 Wellesley ID PALSWAXXRS1  4324 FRONTIER COMM NORTHWEST, LLC DBA ZIPLY FIBER 960      
208-858 3 Wellesley ID CRALIDXXX2X  689F ONVOY, LLC - ID 960   2012-12-16   
208-858 4 Wellesley ID CRALIDXXX2X  689F ONVOY, LLC - ID 960   2012-12-16   
208-858 5 Wellesley ID CRALIDXXX2X  689F ONVOY, LLC - ID 960   2013-01-22   
208-858 7 Wellesley ID CRALIDXXX2X  689F ONVOY, LLC - ID 960   2007-10-22   
208-858 8 Wellesley ID CRALIDXX7MD  073H TELNYX LLC 960   2020-06-08   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.