Sioux FallsRapid CitySouth Dakota (SD)
How to dial a 605 number from abroad
Calling Sioux Falls from outside the United States? Dial the full number in international format — you don't need the US exit code, that's only for calls made from inside the US.
International format
A 605 number looks like this when dialed from anywhere in the world:
+1 605 XXX XXXX
Frequently asked questions
How do I call a Sioux Falls number from abroad?
Dial + (or 00 from most countries), then 1 for the US, then 605, then the 7-digit local number. So a Sioux Falls number reads as +1 605 XXXXXXX.
What other area codes serve Sioux Falls?
Sioux Falls is served only by area code 605 — no other code overlays this area.
How much does Hyallo charge to call area code 605?
Calls to Sioux Falls landlines start at $0.02/min with Hyallo, and your first call is free. Mobile numbers in the same area code can cost more, since they're billed at the real carrier rate.