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: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-323 A Pine City MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628      
320-323 0 Pine City MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2004-05-30   
320-323 1 Pine City MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2004-05-30   
320-323 2 Pine City MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2004-05-30   
320-323 3 Pine City MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2004-05-30   
320-323 4 Pine City MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2004-05-30   
320-323 8 Pine City MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 628   2025-11-25   

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

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