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: 897

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-897 A Bigelow MN ROCHMNHI9MD  939H COMMIO, LLC 620      
507-897 0 Bigelow MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-11-26   
507-897 1 Bigelow MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-11-26   
507-897 2 Bigelow MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-11-26   
507-897 3 Bigelow MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-11-26   
507-897 4 Bigelow MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-11-26   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.