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: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-788 A Odin MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 0 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 1 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 2 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 3 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 4 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 5 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 6 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 7 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 8 Odin MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-788 9 Odin MN   073H TELNYX LLC 620   2020-07-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.