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.

Nisland, SD [Prefix detail]

LATA: 640 SOUTH DAKOTA

LIR:

V: 06411 H: 05989

ILEC: 1689 WEST RIVER COOPERATIVE TELEPHONE COMPANY

NPA 605:

257

See all [Local Prefixes]

Local calling TO 3 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Belle Fourche, SD     
Newell, SD     
West Belle Fourche, WY     

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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