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: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-388 A Rush City MN   184D ONVOY, LLC - MN 628      
320-388 0 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 1 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 2 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 3 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 4 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 5 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 6 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 7 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 8 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   
320-388 9 Rush City MN   184D ONVOY, LLC - MN 628   2004-06-04   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.