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: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-620 A Glencoe MN OSSEMNXOMMD  184D ONVOY, LLC - MN 628      
320-620 0 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2023-10-14   
320-620 1 Glencoe MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2023-10-14   
320-620 6 Glencoe MN OSSEMNXOMMD  184D ONVOY, LLC - MN 628   2022-11-16   
320-620 7 Glencoe MN OSSEMNXOMMD  184D ONVOY, LLC - MN 628   2022-11-16   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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