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.

Switch: SLBRMD905MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-235 A Salisbury MD 197D VONAGE AMERICA LLC 242      
667-235 0 Salisbury MD 197D VONAGE AMERICA LLC 242   2018-07-30   
667-319 0 Chestertown MD 197D VONAGE AMERICA LLC 242   2022-07-09   
667-775 1 Millington MD 197D VONAGE AMERICA LLC 242   2022-07-09   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.