Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-421 A Port Norris NJ CMDNNJCEX5Y  9003 NETCARRIER TELECOM, INC. - NJ 222      
856-421 0 Port Norris NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2012-05-24   
856-421 1 Port Norris NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-21   
856-421 2 Port Norris NJ   3639 MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ 222   2004-03-26   
856-421 3 Port Norris NJ   318J COMCAST IP PHONE LLC 222   2005-10-15   
856-421 4 Port Norris NJ   506J TWILIO INTERNATIONAL INC 222   2020-12-19   
856-421 5 Port Norris NJ   637C ONVOY, LLC - NJ 222   2014-07-06   
856-421 6 Port Norris NJ   624H ONVOY SPECTRUM, LLC 222   2021-05-02   
856-421 7 Port Norris NJ   9003 NETCARRIER TELECOM, INC. - NJ 222      
856-421 8 Port Norris NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-21   
856-421 9 Port Norris NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-21   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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