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.

Switch: STCLMNXSRS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-245 A St Clair MN 1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-245 0 St Clair MN 1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-245 1 St Clair MN 1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-245 3 St Clair MN 1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-245 4 St Clair MN 1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-245 9 St Clair MN 1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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