Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-506 A Montgomery AL MTGMALMT15Z  6630 SPOK, INC. 478      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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