Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 848 [Rate centres in NPA 848] [Dial plan for NPA 848]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
848-399 A East Millstone NJ   637C ONVOY, LLC - NJ 224   2026-02-07   
848-399 0 East Millstone NJ   637C ONVOY, LLC - NJ 224   2026-02-07   
848-399 9 East Millstone NJ   145J TERRA NOVA TELECOM INC. 224   2026-02-09   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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