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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OCN: 4156 TEKSTAR COMMUNICATIONS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
507-563 A Dexter MN   620   2026-01-22   
507-563 3 Dexter MN   620   2026-01-22   
507-615 2 Winona MN   620   2019-06-20   
507-620 A Westbrook MN WLGVMNXWDS0  620      
507-620 3 Westbrook MN   620   2018-10-25   
507-735 A Rochester MN ROCHMNHIX2X  620      
507-735 1 Rochester MN   620   2014-05-22   
507-809 3 Austin MN   620   2025-12-25   
507-992 5 Cottonwood MN   620   2025-04-13   
612-900 A Twin Cities MN MPLSMNCDKMD  628      
612-900 1 Twin Cities MN   628   2014-02-09   
651-323 6 Stillwater MN   628   2022-05-06   
651-333 1 Twin Cities MN   628   2014-03-03   
651-362 6 North Branch MN   628   2019-02-05   
763-207 2 Big Lake MN   628   2018-04-05   
763-270 6 Twin Cities MN   628   2014-03-03   
763-275 2 Becker MN   628   2018-04-05   
763-314 5 Monticello MN   628   2023-06-01   
763-317 5 Princeton MN   628   2019-01-28   
763-358 8 Twin Cities MN   628   2022-12-04   
763-415 8 Cambridge MN   628   2019-01-28   
763-482 8 Zimmerman MN   628   2018-04-05   
763-663 A Glendorado MN MPLSMNCDKMD  628      
763-663 1 Glendorado MN   628   2018-04-27   
763-888 2 Montwave MN   628   2018-03-21   
952-204 1 Twin Cities MN   628   2014-03-03   
952-312 3 Twin Cities MN   628   2026-01-19   

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

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