Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 340 [Rate centres in NPA 340] [Dial plan for NPA 340]

NXX: 727

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
340-727 A Charlotte Amalie (St Thomas) VI CHAMVI12CM1  346D VITELCOM CELLULAR, INC. 822      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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