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.

Boulder, MT [Prefix detail]

LATA: 648 GREAT FALLS MT

LIR:

V: 06416 H: 07346

ILEC: 9636 QWEST CORPORATION

Includes all or part of:

NPA 406:

225 313 316 512

See all [Local Prefixes]

Local calling TO 6 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Avon, MT     
Canyon Creek, MT     
Helena, MT     
Lincoln, MT     
Townsend, MT     
Wolf Creek, MT     

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

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