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: 625

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
340-625 A Frederiksted (St Croix) VI CHAMVIXXAMD  128J LUMEN TECHNOLGIES ST. CROIX, LLC 822      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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