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.

Watertown, SD [Prefix detail]

LATA: 640 SOUTH DAKOTA

LIR:

V: 06029 H: 05065

ILEC: 9631 QWEST CORPORATION

Includes all or part of:

NPA 605:

237 303 520 602 657 753 818 868 878 880 881 882 884 886 902 954 956

See all [Local Prefixes]

Local calling FROM 6 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Bryant-Willow Lake, SDOptional     
Castlewood, SDOptional     
Florence, SDOptional     
Hayti, SDOptional     
Lake Norden, SDOptional     
South Shore, SDOptional     

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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