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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-957 A Collingswood NJ CMDNNJCE84Z  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 CMDNNJCE84Z  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 CMDNNJCE84Z  829J PAETEC ITEL, LLC 222      
856-957 4 Collingswood NJ CMDNNJCE84Z  829J PAETEC ITEL, LLC 222      
856-957 5 Collingswood NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-01-07   
856-957 6 Collingswood NJ CMDNNJCE84Z  829J PAETEC ITEL, LLC 222      
856-957 7 Collingswood NJ CMDNNJCE84Z  829J PAETEC ITEL, LLC 222      
856-957 8 Collingswood NJ   637C ONVOY, LLC - NJ 222   2026-08-15   
856-957 9 Collingswood NJ CMDNNJCE84Z  829J PAETEC ITEL, LLC 222      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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