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: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-575 A Philadelphia MS JCSNMSCPX0Y  6581 CELLULAR SOUTH, INC. 482      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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