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.
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Switch: LECTMNXLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-357 A Le Center MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 628      
507-357 2 Le Center MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 628      
507-357 4 Le Center MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 628      
507-357 6 Le Center MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 628      
507-357 8 Le Center MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 628      
507-357 9 Le Center MN 1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 628      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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