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605 is the only area code for its territory.
Area code 605 covers more than one time zone (Central and Mountain), so check the local time before you call.
Area code 605 has been in service since 1947.
A local number gives callers in South Dakota a number they recognize, wherever your team works:
People are more likely to answer and call back a number with their own area code. A 605 number shows customers in South Dakota that you’re part of their community.
Give out your 605 number for work, listings, and online forms, and keep your personal number for friends and family.
Use your 605 number from your phone, your computer, or the EasyRinger app, whether you’re in South Dakota or abroad.
Plans start at $10 per month with no contract and nothing to install. Set up your number in minutes and cancel any time.