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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-403 A Ovid NY ESYRNYAWPS2  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 136      
607-403 4 Ovid NY ESYRNYAWPS2  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 136   2006-11-21   
607-403 6 Ovid NY   818H PEERING HUB, INC. - NY 136   2023-12-18   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.