Local Calling Guide

Local prefixes

Calling plan types

Reverse direction

Outbound calling from Calvin, OK
NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective
405;299;Calvin;OK;;;;;
405;645;Calvin;OK;;;;;
572;552;Calvin;OK;;;;;

Last updated: Tue, 31 Mar 2026 13:56:49 UTC