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: YORKNE040MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-710 5 York NE 6874 N.E. COLORADO CELLULAR, INC. 958   2004-06-05   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.