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.

Laplant, SD [Prefix detail]

LATA: 640 SOUTH DAKOTA

LIR:

V: 06177 H: 05593

ILEC: 1647 CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY

Includes all or part of:

NPA 605:

733

See all [Local Prefixes]

Local calling TO 1 exchange: [Reverse direction]

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

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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