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.

Switch: BLERMNXBDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-447 A Granada MN 1399 GRANADA TEL. CO. 620      
507-462 A Minnesota Lake MN 1384 THE EASTON TELEPHONE COMPANY 620      
507-464 A Guckeen MN 1358 BLUE EARTH VALLEY TEL. CO. 620      
507-526 A Blue Earth MN 1358 BLUE EARTH VALLEY TEL. CO. 620      
507-553 A Wells MN 1358 BLUE EARTH VALLEY TEL. CO. 620      
507-653 A Bricelyn MN 1440 CANNON VALLEY TELECOM, INC. 620      
507-787 A Easton MN 1384 THE EASTON TELEPHONE COMPANY 620      
507-854 A Delavan MN 1384 THE EASTON TELEPHONE COMPANY 620      
507-863 A Freeborn MN 1440 CANNON VALLEY TELECOM, INC. 620      
507-866 A Huntley MN 1358 BLUE EARTH VALLEY TEL. CO. 620      
507-878 A Frost MN 1440 CANNON VALLEY TELECOM, INC. 620      
507-893 A Winnebago MN 1358 BLUE EARTH VALLEY TEL. CO. 620      
507-943 A Elmore MN 1358 BLUE EARTH VALLEY TEL. CO. 620      
641-948 A Stevens IA 1358 BLUE EARTH VALLEY TEL. CO. 620      

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

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