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: 946

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
908-946 A Washington NJ   637C ONVOY, LLC - NJ 224      
908-946 1 Washington NJ   073H TELNYX LLC 224   2017-05-04   
908-946 2 Washington NJ   637C ONVOY, LLC - NJ 224   2016-04-11   
908-946 3 Washington NJ   145J TERRA NOVA TELECOM INC. 224   2025-08-30   
908-946 4 Washington NJ   624H ONVOY SPECTRUM, LLC 224   2021-05-08   
908-946 5 Washington NJ   637C ONVOY, LLC - NJ 224   2016-04-11   
908-946 6 Washington NJ   515J IP HORIZON LLC 224   2019-05-17   
908-946 7 Washington NJ   482F CORETEL NEW JERSEY, INC. - NJ 224   2019-06-06   
908-946 8 Washington NJ   318J COMCAST IP PHONE, LLC 224   2019-03-20   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.