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: RCPKNJ02XHX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
201-430 A Union City NJ 7421 AT&T LOCAL 224      
973-647 A Morristown NJ 7421 AT&T LOCAL 224      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.