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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-957 A Collingswood NJ   829J PAETEC ITEL, LLC 222   2025-05-14   
856-957 0 Collingswood NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2021-12-16   
856-957 1 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-957 2 Collingswood NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2019-03-11   
856-957 3 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-957 4 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-957 5 Collingswood NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-01-07   
856-957 6 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-957 7 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-957 9 Collingswood NJ   829J PAETEC ITEL, LLC 222      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.