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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-623 A Berlin NJ CMDNNJCE79Z  598J FIVE9, INC. 222   2024-04-29   
856-623 0 Berlin NJ CMDNNJCE79Z  598J FIVE9, INC. 222   2024-04-29   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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