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: ROCHNHWEDS0

Remotes:

Switch Switch name Switch type
FRTNNHMGRS1  FARMINGTON  5ER 
MLTNNHSI658  MILTON  5ER 
MLTNNHSIRS1  MILTON  5ER 
MTMLNHWE477  MILTON MILLS  5ER 
MTMLNHWERS1  MILTON MILLS  5ER 
SBVLNHCSRS1  SANBORNVILLE  5ER 
WLBONHGSRS1  WOLFEBORO  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-330 A Rochester NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-332 A Rochester NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-335 A Rochester NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.