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.

Pablo, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-275 A FHIRMT01RS0  2252 RONAN TEL. CO. 648      
406-332 A MSSLMTXCDS0  2235 BLACKFOOT TEL. COOP., INC. 648      
406-332 1   008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2024-03-31   
406-332 9 MSSLMTXCDS0  2235 BLACKFOOT TEL. COOP., INC. 648      
406-675 A PABLMTXCRS1  2252 RONAN TEL. CO. 648      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.