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: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-559 A Collingswood NJ   829J PAETEC ITEL, LLC 222   2025-05-14   
856-559 0 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-559 1 Collingswood NJ   637C ONVOY, LLC - NJ 222   2025-05-15   
856-559 2 Collingswood NJ   829J PAETEC ITEL, LLC 222      
856-559 3 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2022-03-10   
856-559 4 Collingswood NJ   7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222   2008-06-30   
856-559 6 Collingswood NJ   325E YMAX COMMUNICATIONS CORP. - NJ 222   2008-03-09   
856-559 7 Collingswood NJ   637C ONVOY, LLC - NJ 222   2015-01-09   
856-559 8 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2022-03-10   
856-559 9 Collingswood NJ   637C ONVOY, LLC - NJ 222   2025-10-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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