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: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
609-512 A Lawrenceville NJ CMDNNJCEXVX  7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
609-512 0 Lawrenceville NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2021-12-18   
609-512 1 Lawrenceville NJ   318J COMCAST IP PHONE, LLC 222   2005-10-15   
609-512 2 Lawrenceville NJ   829J PAETEC ITEL, LLC 222   2006-08-14   
609-512 3 Lawrenceville NJ   7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222   2003-09-29   
609-512 4 Lawrenceville NJ   7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222   2008-07-30   
609-512 5 Lawrenceville NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2015-05-31   
609-512 6 Lawrenceville NJ   325E YMAX COMMUNICATIONS CORP. - NJ 222   2008-03-09   
609-512 7 Lawrenceville NJ   318J COMCAST IP PHONE, LLC 222   2007-10-10   
609-512 8 Lawrenceville NJ   637C ONVOY, LLC - NJ 222   2010-05-21   
609-512 9 Lawrenceville NJ   7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.