Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-577 A Foreston MN STCDMNTOX8X  5562 METROPCS, INC. 626      
320-577 5 Foreston MN   145J TERRA NOVA TELECOM INC. 626   2025-05-31   
320-577 7 Foreston MN STCDMNTOX8X  5562 METROPCS, INC. 626   2022-03-25   
320-577 8 Foreston MN STCDMNTOX8X  5562 METROPCS, INC. 626   2022-09-19   
320-577 9 Foreston MN STCDMNTOX8X  5562 METROPCS, INC. 626   2021-11-11   

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

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