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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-433 A Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-433 0 Haddonfield NJ   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2003-12-20   
856-433 1 Haddonfield NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2015-06-01   
856-433 2 Haddonfield NJ   7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222   2015-01-12   
856-433 3 Haddonfield NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2022-05-10   
856-433 4 Haddonfield NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2019-03-23   
856-433 5 Haddonfield NJ   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2005-01-06   
856-433 6 Haddonfield NJ   9003 NETCARRIER TELECOM, INC. - NJ 222   2005-02-28   
856-433 7 Haddonfield NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-09-01   
856-433 8 Haddonfield NJ   318J COMCAST IP PHONE, LLC 222   2007-08-07   
856-433 9 Haddonfield NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-04-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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