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: 1433 MID STATE TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
320-268 A Sedan MN SEDNMNXSRP0  626      
320-268 3 Sedan MN SEDNMNXSRP0  626      
320-276 A Irving MN IRNGMNXIRP0  626      
320-278 A Terrace MN TRRCMNXTRP0  626      
320-278 3 Terrace MN TRRCMNXTRP0  626      
320-346 A Brooten MN BROTMNXBRP0  626      
320-354 A New London MN NWLNMNXNPS0  626      
320-366 A Sunburg MN SNBGMNXSRP0  626      
320-796 A Spicer MN SPCRMNXSRP0  626      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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