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: 519

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-519 A Carlos MN WTPKMNAC2MD  792K CHARTER IP ENABLED SERVICES, LLC 626   2025-03-18   
320-519 0 Carlos MN STCDMNTOXTX  073H TELNYX LLC 626   2023-12-22   
320-519 1 Carlos MN WTPKMNAC2MD  792K CHARTER IP ENABLED SERVICES, LLC 626   2023-11-18   
320-519 2 Carlos MN STCDMNES6MD  4156 TEKSTAR COMMUNICATIONS, INC. 626   2024-02-17   
320-519 3 Carlos MN STCDMNTOXNX  624H ONVOY SPECTRUM, LLC 626   2024-12-19   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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