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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-607 A Collingswood NJ   624H ONVOY SPECTRUM, LLC 222      
856-607 0 Collingswood NJ   637C ONVOY, LLC - NJ 222   2025-11-28   
856-607 1 Collingswood NJ   637C ONVOY, LLC - NJ 222   2026-01-04   
856-607 2 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2015-06-01   
856-607 3 Collingswood NJ   624H ONVOY SPECTRUM, LLC 222   2021-12-02   
856-607 4 Collingswood NJ   624H ONVOY SPECTRUM, LLC 222   2021-12-02   
856-607 5 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2021-07-30   
856-607 6 Collingswood NJ   145J TERRA NOVA TELECOM INC. 222   2023-08-09   
856-607 8 Collingswood NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2021-07-30   
856-607 9 Collingswood NJ   637C ONVOY, LLC - NJ 222   2026-02-20   

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

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