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: 671

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-671 A Collingswood NJ   829J PAETEC ITEL, LLC 222   2025-05-14   
856-671 0 Collingswood NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2005-04-28   
856-671 1 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2010-02-26   
856-671 2 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2015-06-01   
856-671 3 Collingswood NJ   515J IP HORIZON LLC 222   2015-11-13   
856-671 4 Collingswood NJ   637C ONVOY, LLC - NJ 222   2016-02-05   
856-671 5 Collingswood NJ   073H TELNYX LLC 222   2017-04-24   
856-671 6 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-671 7 Collingswood NJ   508J CENTURYLINK COMMUNICATIONS, LLC 222   2014-03-14   

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

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