What area code is 605?
Here's everything about it.
Instant lookup for the 605 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
605 at a glance
Summary
Cities & regions served by 605
Statewide South Dakota1 community on record for 605.
Where 605 sits on the map
No overlayCoverage area
About the 605 region
605 covers Statewide South Dakota in South Dakota. The code has been in service since 1947 and is one of the original North American area codes.
605 currently has no overlay, so its territory keeps a single, unshared code.
Who called me from 605?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 605 does not prove the caller is really in the 605 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 605 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 605 number below.
Frequently asked questions
FAQWhat area code is 605?+–
605 is a telephone area code serving Statewide South Dakota in South Dakota, United States, in service since 1947.
Where is area code 605 located?+–
It covers Statewide South Dakota in South Dakota.
What time zone is 605?+–
605 observes Central (CT), which is UTC−6 / −5 DST and follows daylight saving time.
When did area code 605 start?+–
605 entered service in 1947 as one of the original 1947 North American area codes.
Is 605 a scam area code?+–
Scam and robocall traffic can use any North American code, 605 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 605 number, and report anything suspicious.
Can I get a 605 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 605 number regardless of where you physically live.