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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-407 A Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222      
856-407 0 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 1 Paulsboro NJ CMDNNJCE05T  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 2 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 3 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 4 Paulsboro NJ CMDNNJCE05T  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 6 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 7 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 8 Paulsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-10-26   
856-407 9 Paulsboro NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2026-07-10   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.