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: UTICNYNTDC0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-356 A Rome NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-574 A Herkimer NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-606 A Oneida NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-624 A Utica NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-648 A Hamilton NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-669 A Dolgeville NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-914 A Utica NY 7556 NORTHLAND NETWORKS, LTD. - NY 136   2024-01-10   
315-917 A Utica NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.