Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-318 A Macomb IL MCMBILXDUMD  5562 METROPCS, INC. 977      
309-318 0 Macomb IL MCMBILXDUMD  6529 T-MOBILE USA, INC. 977   2003-11-03   
309-318 1 Macomb IL MCMBILXDUMD  5562 METROPCS, INC. 977   2006-10-23   
309-318 2 Macomb IL MCMBILXDUMD  6529 T-MOBILE USA, INC. 977   2012-01-21   
309-318 7 Macomb IL MCMBILXDUMD  5562 METROPCS, INC. 977   2019-01-18   
309-318 8 Macomb IL   6265 UNITED STATES CELLULAR - IL 977   2025-02-11   
309-318 9 Macomb IL MCMBILXDUMD  5562 METROPCS, INC. 977   2004-02-16   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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