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
320-273 A Odessa MN ODSSMNXORS2  626      
320-324 A Chokio MN CHOKMNXCDS1  626      
320-394 A Holloway MN HLWYMNXARS2  626      
320-567 A Danvers MN DNVSMNXDRS2  626      
320-596 A Correll MN CRRLMNXARS2  626      
320-734 A Milan MN MILNMNXMRS2  626      
320-793 A Big Bend MN BBCYMNXBRS2  626      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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