Local Calling Guide
Local prefixes
Inbound calling to Billings, OK NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective 580;422;Billings;OK;;;;; 580;725;Billings;OK;;;;;
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Inbound calling to Billings, OK NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective 580;422;Billings;OK;;;;; 580;725;Billings;OK;;;;;
Last updated: Tue, 16 Apr 2024 01:38:01 UTC