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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-438 A Merchantville NJ CMDNNJCE69Z  7421 AT&T - LOCAL 222      
856-438 0 Merchantville NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2008-12-04   
856-438 1 Merchantville NJ   829J PAETEC ITEL, LLC 222   2005-11-28   
856-438 2 Merchantville NJ   7421 AT&T - LOCAL 222      
856-438 3 Merchantville NJ   637C ONVOY, LLC - NJ 222   2015-08-03   
856-438 4 Merchantville NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-04-16   
856-438 5 Merchantville NJ   318J COMCAST IP PHONE, LLC 222   2007-05-02   
856-438 6 Merchantville NJ   318J COMCAST IP PHONE, LLC 222   2007-05-02   
856-438 7 Merchantville NJ   637C ONVOY, LLC - NJ 222   2015-08-03   
856-438 8 Merchantville NJ   637C ONVOY, LLC - NJ 222   2015-08-03   
856-438 9 Merchantville NJ   637C ONVOY, LLC - NJ 222   2015-08-03   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.