Local Calling Guide
Local prefixes
Inbound calling to Helena, OK NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective 580;779;Helena;OK;;;;; 580;852;Helena;OK;;;;;
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
Inbound calling to Helena, OK NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective 580;779;Helena;OK;;;;; 580;852;Helena;OK;;;;;
Last updated: Wed, 20 Nov 2024 21:20:06 UTC