Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

West Camp Crook, MT [Prefix detail]

LATA: 640 SOUTH DAKOTA

LIR:

V: 06253 H: 06119

ILEC: 1689 WEST RIVER COOPERATIVE TELEPHONE COMPANY

Includes all or part of:

NPA 406:

972

See all [Local Prefixes]

Local calling TO 1 exchange: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Camp Crook, SD     

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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