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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-275 A Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366   2024-02-09   
309-275 0 Bloomington IL BLTNILATOMD  6529 T-MOBILE USA, INC. 366      
309-275 1 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 2 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 3 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 4 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 5 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 6 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 7 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 8 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      
309-275 9 Bloomington IL BLTNILATOMD  5562 METROPCS, INC. 366      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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