Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Springfield, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-496 A OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-496 1 OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620   2010-05-29   
507-496 7 ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2023-03-09   
507-723 A NWULMNXNDS0  1502 WESTERN TEL. CO. 620      
507-770 A OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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