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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-388 A McComb MS MCCMMSMAXMD  4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-388 0 McComb MS   4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      
601-388 9 McComb MS   4664 CENTURYLINK COMMUNICATIONS LLC - MS 482      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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