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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-542 A Osyka MS OSYKMSMARS9  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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