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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-851 A Penns Grove NJ   829J PAETEC ITEL, LLC 222   2025-05-14   
856-851 0 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 1 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 2 Penns Grove NJ CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222   2017-10-23   
856-851 3 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 4 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 5 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 6 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 7 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 8 Penns Grove NJ   829J PAETEC ITEL, LLC 222      
856-851 9 Penns Grove NJ   829J PAETEC ITEL, LLC 222      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.