Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-308 A Centralia IL STLVMOOH6MD  5562 METROPCS, INC. 520   2026-08-09   
730-308 7 Centralia IL   824J OPENTACT INC. 520   2026-10-10   
730-308 9 Centralia IL STLVMOOH6MD  5562 METROPCS, INC. 520   2026-08-09   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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