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: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-599 A Paulsboro NJ CMDNNJCE1MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 222      
856-599 0 Paulsboro NJ   318J COMCAST IP PHONE LLC 222   2005-05-20   
856-599 1 Paulsboro NJ   318J COMCAST IP PHONE LLC 222   2007-08-17   
856-599 2 Paulsboro NJ CMDNNJCEX7Y  3114 CTC COMMUNICATIONS CORP., DBA CT COMM CORP - NJ 222   2012-08-24   
856-599 3 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-21   
856-599 4 Paulsboro NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2004-04-11   
856-599 5 Paulsboro NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2008-07-29   
856-599 6 Paulsboro NJ CMDNNJCE1MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 222      
856-599 7 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-21   
856-599 8 Paulsboro NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2008-12-04   
856-599 9 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-21   

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.