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: HRFRCT03IMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
959-255 A Hartford CT 124J AIRUS, INC. - CT 920      
959-255 1 Hartford CT 124J AIRUS, INC. - CT 920   2019-03-29   

Last updated: Fri, 03 Nov 2023 21:02:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.