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.

Valley Springs, SD [Prefix detail]

LATA: 640 SOUTH DAKOTA

LIR:

V: 06257 H: 04865

ILEC: 280D ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD

NPA 605:

757

See all [Local Prefixes]

Local calling TO 3 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
East Valley Springs, MN     
Sioux Falls, SD     
South Valley Springs, IA     

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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