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
507-467 A Lanesboro MN LNBOMNXLRS1  620      
507-482 A Brownsville MN BWVLMNXBRS0  620      
507-495 A Eitzen MN ETZNMNXERS0  620      
507-643 A Dakota MN DAKTMNXDRS1  620      
507-657 A Ostrander MN OSTRMNXORS0  620      
507-743 A Canton MN CNTNMNXCRS0  620      
507-772 A Granger MN GRNGMNXGRS0  620      
507-864 A Rushford MN RSFRMNXRRS1  620      
507-875 A Peterson MN PTSNMNXPRS0  620      
507-894 A Hokah MN HOKHMNXHRS1  620      
507-895 A La Crescent MN LACRMNXLRS1  620      
507-896 A Houston MN HSTNMNXHDS0  620      
563-497 A Dorchester IA ETZNMNXERS0  620      
563-745 A South Canton IA CNTNMNXCRS0  620      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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