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.

Dupree, SD [Prefix detail]

LATA: 640 SOUTH DAKOTA

LIR:

V: 06241 H: 05730

ILEC: 1647 CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY

NPA 605:

200 365 538 821

See all [Local Prefixes]

Local calling TO: [Reverse direction]

OCNRate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Eagle Butte, SD     

*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: Wed, 18 Jun 2025 02:30:00 UTC

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