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: 607 [Rate centres in NPA 607] [Dial plan for NPA 607]

NXX: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-977 A Cherry Valley NY OTEGNYOTRS0  9104 VERIZON NEW YORK, INC. 138      

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.