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: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-250 A Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 0 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 1 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 2 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 3 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 4 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 5 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 6 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 7 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620   2008-10-20   
507-250 8 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
507-250 9 Rochester MN ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.