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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
320-268 A Sedan MN SEDNMNXSRS3  626      
320-276 A Irving MN IRNGMNXIRS2  626      
320-278 A Terrace MN TRRCMNXTRS3  626      
320-346 A Brooten MN BROTMNXBRS0  626      
320-354 A New London MN NWLNMNXNDS0  626      
320-366 A Sunburg MN SNBGMNXSRS4  626      
320-600 A New London MN   626      
320-796 A Spicer MN SPCRMNXSDS0  626      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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