Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-328 A Jackson MS JCSNMSCP26Z  6630 USA MOBILITY WIRELESS, INC. 482      

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

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