Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-588 A Lake Crystal MN MNKTMNXM6MD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-588 4 Lake Crystal MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2022-05-02   
507-588 5 Lake Crystal MN   184D ONVOY, LLC - MN 620   2022-10-12   
507-588 6 Lake Crystal MN   719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620   2010-07-11   
507-588 7 Lake Crystal MN   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-11-30   
507-588 8 Lake Crystal MN   965H FRACTEL, LLC 620   2020-11-05   
507-588 9 Lake Crystal MN   184D ONVOY, LLC - MN 620   2023-08-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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