🇺🇸 United States · South Dakota

Area code 605

Area code 605 is a telephone area code in South Dakota, United States, covering Rapid City, Sioux Falls, Aberdeen, Spearfish, Watertown, Pierre and more. Local time is UTC−7 (UTC−6 in summer). Numbers look like (605) 234-5678, or +1 605 234 5678 from abroad.

State: South Dakota
Time zone: Denver UTC−7 (UTC−6 in summer)
Local time now: –
Dial from abroad: +1 605

Places in area code 605

Cities and towns with telephone exchanges in the 605 area code, most exchanges first.

Rapid City
Sioux Falls
Aberdeen
Spearfish
Watertown
Pierre
Yankton
Brookings
North Sioux City
Chamberlain
Sturgis
Huron
Tea
Mitchell
Fort Pierre
Madison
Wall
Parker
Platte
Webster
Elk Point
Lemmon
Wagner
Menno

How to dial area code 605

Calling from	You dial
Inside the 605 area	605 234 5678 (10 digits)
Elsewhere in the US & Canada	1 605 234 5678
Any mobile phone, anywhere	+1 605 234 5678
UK, Europe, India and most countries	00 1 605 234 5678
Australia	0011 1 605 234 5678

Area code 605: FAQ

Where is area code 605?

Area code 605 is in South Dakota, United States and serves Rapid City, Sioux Falls, Aberdeen, Spearfish, Watertown, Pierre. and other places

What time zone is area code 605 in?

Area code 605 is in the America/Denver time zone (UTC−7 (UTC−6 in summer)).

How do I call a 605 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 605 and the seven-digit number. Example: +1 605 234 5678.

Is a call from area code 605 a scam?

Area code 605 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 605 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+16052345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}