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: LKFDMNXLDS0

Remotes:

Switch Switch name Switch type
OKBNMNXORS8  OKABENA  1RE 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-662 A Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 0 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 1 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 5 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 6 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 7 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 8 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-662 9 Lakefield MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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