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: ROCHMNHIX2X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-346 5 Spring Valley MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2025-04-13   
507-490 6 Redwood Falls MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2022-11-07   
507-503 9 Adams MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2025-04-13   
507-547 3 Leroy MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2025-12-25   
507-563 A Dexter MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2026-01-22   
507-563 3 Dexter MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2026-01-22   
507-615 2 Winona MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2019-06-20   
507-735 A Rochester MN 4156 TEKSTAR COMMUNICATIONS, INC. 620      
507-735 1 Rochester MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2014-05-22   
507-809 3 Austin MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2025-12-25   
507-992 5 Cottonwood MN 4156 TEKSTAR COMMUNICATIONS, INC. 620   2025-04-13   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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