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: 609 [Rate centres in NPA 609] [Dial plan for NPA 609]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
609-403 A Ewing NJ CMDNNJCEXVX  7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
609-403 0 Ewing NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2008-12-04   
609-403 1 Ewing NJ   637C ONVOY, LLC - NJ 222   2020-10-19   
609-403 2 Ewing NJ   325E YMAX COMMUNICATIONS CORP. - NJ 222   2008-03-09   
609-403 3 Ewing NJ   637C ONVOY, LLC - NJ 222   2020-08-15   
609-403 4 Ewing NJ   637C ONVOY, LLC - NJ 222   2020-10-19   
609-403 5 Ewing NJ   5562 METROPCS, INC. 222   2021-07-17   
609-403 6 Ewing NJ   318J COMCAST IP PHONE, LLC 222   2011-09-30   
609-403 7 Ewing NJ   7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
609-403 8 Ewing NJ   318J COMCAST IP PHONE, LLC 222   2007-02-21   
609-403 9 Ewing NJ   624H ONVOY SPECTRUM, LLC 222   2021-05-01   

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.