State · United States
South Dakota postal codes
363 cities · 385 localities · 385 postal codes · state code SD
Area codes (1)
605
Area codes in use in this state, from NANPA central-office assignments.
Popular cities
All cities (363)
A16
B30
C28
F16
G13
H27
L22
M27
P18
Q1
R18
S24
W33
Postal code index (385)
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Data generated on 2026-08-21 · Sources · Report an error.