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: 908 [Rate centres in NPA 908] [Dial plan for NPA 908]

NXX: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
908-678 A Somerville NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2025-11-06   
908-678 0 Somerville NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2025-11-06   
908-678 9 Somerville NJ   6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2025-11-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.