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.

Zumbrota, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-731 A   792K CHARTER IP ENABLED SERVICES, LLC 620   2025-02-27   
507-731 0   792K CHARTER IP ENABLED SERVICES, LLC 620      
507-731 4 ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-731 6 ROCHMNROXAX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620      
507-732 A ZMBRMNXZDS1  1515 ZUMBROTA TEL. CO. 620      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.