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Find out why OpenPhone is the top-rated VoIP phone system by professionals in South Dakota
Watch a 3 minute demo
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Find out why OpenPhone is the top-rated VoIP phone system by professionals in South Dakota
Find out why OpenPhone is the top-rated VoIP phone system by professionals in South Dakota
For businesses in 605, OpenPhone has your business number
We switched to OpenPhone from RingCentral during the COVID-19 pandemic since it allowed us to work remotely without missing any calls. It allows us to have better customer service levels, quicker responses as anyone can respond to customers in real-time while traveling.
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Amira Harris
President and Owner
The business phone system for South Dakota
Access one free US, Canadian, or North American local or toll-free number for every user on your plan.
Share responsibility for incoming messages and calls by giving multiple users access to shared numbers.
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Get multiple layers of security on all OpenPhone plans to keep your clients’ data safe. OpenPhone is a SOC-2 compliant service.
Work as a team to answer calls and texts on a shared number. Customers aren’t left waiting thanks to ring groups.
Catching up on any conversation is easy with shared inboxes, which show every phone call, text, and audio message a customer has with your team.
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Share context and solve issues by tagging teammates in internal threads (not visible to customers).
Give everyone on your team the full picture when talking to customers by adding custom notes to contact cards.
Overcome potential writer’s block with AI-generated responses to text messages.
Follow up faster with customers using AI call summaries and transcripts.
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Automate tedious tasks by tapping into an ecosystem of third-party tools.
Send real-time notifications of events happening in your OpenPhone workspace to any app with webhooks.
Connect OpenPhone with your favorite tools to help sync contacts, track conversations, and analyze calls.
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Try risk-free for 7 days. Cancel anytime.
The essentials to get you and your team up and running
Per user/per month

All plans include:
Most popular
For businesses looking for more call handling and automation features
Per user/per month
Everything from Starter, plus:
For organizations with more complex requirements
Everything from Business, plus:
The essentials to get you and your team up and running
Per user/per month
Billed annually at $180
All plans include:
Most popular
For businesses looking for more call handling and automation features
Per user/per month
Billed annually at $276
Everything from Starter, plus:
For organizations with more complex requirements
Everything from Business, plus:
Choose a South Dakota number or port your own
Get local or toll-free North American phone numbers or port existing ones for free.
Get the app or use from your browser
Use OpenPhone across all your devices to stay connected. OpenPhone is available on Mac, Windows, iOS, Android, and on the web.
Send invites to your contacts and team
Import contacts and add teammates to your phone system.
Voila! Start calling and texting
Try OpenPhone free for 7 days - no commitment necessary.
Can’t find the answer here? Check out our Help Center.
South Dakota phone numbers vary based on the VoIP provider. With OpenPhone, plans start at $15 per user per month and come with a free number. Additional numbers cost $5 per month.
The area codes in South Dakota include 605.
Yes, you can keep your South Dakota business number by porting it to OpenPhone for free.
With OpenPhone, you can access local numbers throughout the United States and Canada, excluding Alaska. Additionally, we offer a range of toll-free numbers in North America, including prefixes such as 833, 844, 855, 866, 877, and 888.
OpenPhone has over 5,000 integrations with third-party apps, including Salesforce, Zapier, HubSpot, Webhooks, and more.
OpenPhone is available on Mac, Windows, iOS, Android, and on the web.
No, the great thing about a virtual phone system is that you can purchase a South Dakota phone number from any location.
Yes, OpenPhone offers a seven-day free trial so you can test the platform with your team.
Yes, you can get local phone numbers for South Dakota area code on top of your personal number with OpenPhone. You can then use an internet connection to take and receive calls from this number from anywhere. Keep in mind that you'll have to provide business tax information if you're based outside of the US and wish to text using a virtual phone service.
Join thousands of businesses already using OpenPhone to communicate better with their customers.
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OpenPhone was issued a successful SOC 2 report and is actively monitored by Vanta.
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