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: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-479 A Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2024-08-19   
320-479 0 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2025-03-04   
320-479 5 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2025-02-13   
320-479 6 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2025-02-13   
320-479 7 Clear Lake MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2025-02-13   
320-479 8 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2024-11-17   
320-479 9 Clear Lake MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2024-08-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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