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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
609-566 A Lambertville NJ CMDNNJCE1MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 222      
609-566 0 Lambertville NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2006-01-05   
609-566 1 Lambertville NJ CMDNNJCE43Z  073H TELNYX LLC 222   2017-04-26   
609-566 2 Lambertville NJ CMDNNJCEDS9  482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-29   
609-566 3 Lambertville NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2004-09-02   
609-566 4 Lambertville NJ CMDNNJCEX6Z  325E YMAX COMMUNICATIONS CORP. - NJ 222   2008-03-09   
609-566 5 Lambertville NJ CMDNNJCEDS9  482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-29   
609-566 6 Lambertville NJ CMDNNJCE10Z  991G VOXBEAM TELECOMMUNICATIONS INC. - NJ 222   2013-12-21   
609-566 7 Lambertville NJ CMDNNJCE1MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 222      
609-566 8 Lambertville NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2020-07-05   
609-566 9 Lambertville NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2020-07-05   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.