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: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-537 A Isle MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-537 0 Isle MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2016-05-06   
320-537 1 Isle MN STCDMNTOX0X  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2011-05-27   
320-537 2 Isle MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2006-12-17   
320-537 3 Isle MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2019-10-28   
320-537 5 Isle MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2020-01-30   
320-537 6 Isle MN STCDMNTOXUX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 626   2022-06-29   
320-537 7 Isle MN STCDMNTOXHX  508J CENTURYLINK COMMUNICATIONS, LLC 626   2017-06-21   
320-537 8 Isle MN STCDMNTOXTX  073H TELNYX LLC 626   2020-07-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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