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.

Sidney, MT [Prefix detail]

LATA: 650 BILLINGS MT

LIR:

V: 05811 H: 06272

ILEC: 9636 QWEST CORPORATION

Includes all or part of:

NPA 406:

433 478 480 482 488 489 630 943 973

See all [Local Prefixes]

Local calling TO: [Reverse direction]

OCNRate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
East Fairview, ND     
East Sidney, ND     
Fairview, MT     
Savage, MT     
West Sidney, MT     
7830Baker, MT     
7830Bloomfield, MT     
7830Carlyle, MT     
7830Circle, MT     
7830Custer, MT     
7830East Carlyle, ND     
7830Ekalaka, MT     
7830Fallon, MT     
7830Grass Range, MT     
7830Jordan, MT     
7830Lambert, MT     
7830Lavina, MT     
7830Lindsay, MT     
7830Melstone, MT     
7830Musselshell, MT     
7830North Ryegate, MT     
7830Plevna, MT     
7830Richey, MT     
7830Rock Springs, MT     
7830Roundup, MT     
7830Roy, MT     
7830Ryegate, MT     
7830South Wolf Point, MT     
7830West Glendive, MT     
7830Winnett, MT     

*If OCN is blank, this indicates the default local calling area for all carriers. If OCN is not blank, then local calling is available for that OCN only.

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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