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.

Avoca, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-335 A AVOCMNXARS3  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 0   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 1   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 2   184D ONVOY, LLC - MN 620   2017-05-29   
507-335 3   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-05-09   
507-335 4   184D ONVOY, LLC - MN 620   2015-06-18   
507-335 5   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 6   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 7   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 8   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-335 9   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.