Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Butterfield, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-578 A OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-578 0 ROCHMNROXRX  073H TELNYX LLC 620      
507-578 1 OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-578 2 ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-578 5 ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-578 7 OWTNMNOWYMD  508J CENTURYLINK COMMUNICATIONS, LLC 620      
507-578 8 ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-578 9 ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620      
507-885 A ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-885 5 ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-885 6 ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620      
507-956 A BTFDMNXBRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.