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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
908-228 A Westfield NJ NWRKNJ02Y8X  7421 AT&T - LOCAL 224      
908-228 0 Westfield NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2021-11-01   
908-228 1 Westfield NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2021-11-01   
908-228 2 Westfield NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2005-06-09   
908-228 3 Westfield NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2016-09-15   
908-228 4 Westfield NJ   482F CORETEL NEW JERSEY, INC. - NJ 224   2019-04-03   
908-228 5 Westfield NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2011-07-15   
908-228 6 Westfield NJ NWRKNJ02DSA  7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 224   2010-05-10   
908-228 7 Westfield NJ   482F CORETEL NEW JERSEY, INC. - NJ 224   2019-06-03   
908-228 8 Westfield NJ   482F CORETEL NEW JERSEY, INC. - NJ 224   2019-06-03   
908-228 9 Westfield NJ   637C ONVOY, LLC - NJ 224   2025-09-28   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.