605 Area Code
Get a 605 Area Code Phone Number in Sioux Falls (SD), Instantly
Obtain multiple 605 Area Code local and vanity phone numbers for private and business pursuits from wherever you are. Regardless of the stature of your business, incorporate South Dakota 605 Area Code numbers into your business and enjoy various benefits.

Own 605 Area Code Phone Number
Select numbers :
-
Call
-
SMS
-
MMS
Area Code 605 Location: Where is 605 Area Code Coming From?
Area Code 605 is located in the entire state of South Dakota, U.S. It is the single area code which serves the region.
The 605 area code serves 66 counties, including several cities and communities like Sioux Falls, Rapid City, Aberdeen, Brookings, and Watertown.
The table on the side illustrates the top locations (cities and communities) covered or served by area code 605 in the US state of South Dakota.
City/Town | County | TimeZone | |||||||
---|---|---|---|---|---|---|---|---|---|
Sioux Falls, SD | Minnehaha | Central/Mountain | |||||||
Rapid City, SD | Pennington | Central/Mountain | |||||||
Aberdeen, SD | Brown | Central/Mountain | |||||||
Brookings, SD | Brookings | Central/Mountain | |||||||
Watertown, SD | Codington | Central/Mountain | |||||||
Mitchell, SD | Davison | Central/Mountain | |||||||
Yankton, SD | Yankton | Central/Mountain | |||||||
Pierre, SD | Hughes | Central/Mountain | |||||||
Huron, SD | Beadle | Central/Mountain | |||||||
Vermillion, SD | Clay | Central/Mountain | |||||||
Spearfish, SD | Lawrence | Central/Mountain | |||||||
Brandon, SD | Minnehaha | Central/Mountain | |||||||
Rapid Valley, SD | Pennington | Central/Mountain | |||||||
Box Elder, SD | Pennington | Central/Mountain | |||||||
Sturgis, SD | Meade | Central/Mountain | |||||||
De Smet, SD | Kingsbury | Central/Mountain | |||||||
North Sioux City, SD | Union | Central/Mountain | |||||||
Pine Ridge, SD | Oglala Lakota | Central/Mountain | |||||||
Lake Andes, SD | Charles Mix | Central/Mountain | |||||||
Mission Hill, SD | Yankton | Central/Mountain | |||||||
Lake Preston, SD | Kingsbury | Central/Mountain | |||||||
Belle Fourche, SD | Butte | Central/Mountain | |||||||
White River, SD | Mellette | Central/Mountain | |||||||
Black Hawk, SD | Meade | Central/Mountain | |||||||
Ellsworth AFB, SD | Meade | Central/Mountain | |||||||
Mud Butte, SD | Meade | Central/Mountain | |||||||
Timber Lake, SD | Dewey and Ziebach | Central/Mountain | |||||||
Lower Brule, SD | Lyman | Central/Mountain | |||||||
Wessington Springs, SD | Jerauld | Central/Mountain | |||||||
Gann Valley, SD | Buffalo | Central/Mountain | |||||||
Prairie City, SD | Perkins | Central/Mountain | |||||||
Saint Francis, SD | Todd | Central/Mountain | |||||||
White Lake, SD | Aurora | Central/Mountain | |||||||
Willow Lake, SD | Clark | Central/Mountain | |||||||
Mc Laughlin, SD | Corson | Central/Mountain | |||||||
South Shore, SD | Codington | Central/Mountain | |||||||
Mound City, SD | Campbell | Central/Mountain | |||||||
Valley Springs, SD | Minnehaha | Central/Mountain | |||||||
Buffalo Gap, SD | Custer | Central/Mountain | |||||||
Camp Crook, SD | Harding | Central/Mountain | |||||||
Eagle Butte, SD | Dewey | Central/Mountain | |||||||
Saint Charles, SD | Gregory | Central/Mountain | |||||||
Mc Intosh, SD | Corson | Central/Mountain | |||||||
Mount Vernon, SD | Davison | Central/Mountain | |||||||
Claire City, SD | Roberts | Central/Mountain | |||||||
Dell Rapids, SD | Minnehaha | Central/Mountain | |||||||
Hill City, SD | Pennington | Central/Mountain | |||||||
Springfield, SD | Bon Homme | Central/Mountain | |||||||
Ree Heights, SD | Hand | Central/Mountain | |||||||
Lake Norden, SD | Hamlin | Central/Mountain | |||||||
Hot Springs, SD | Fall River | Central/Mountain | |||||||
Fort Thompson, SD | Buffalo | Central/Mountain | |||||||
Big Stone City, SD | Grant | Central/Mountain | |||||||
Wounded Knee, SD | Shannon | Central/Mountain | |||||||
Show more ![]() |
How to buy a 605 Area Code phone number?
To buy a 605 Area Code number, sign up with KrispCall; go to Settings> My Number > Add New Number > Select USA > Advanced Filter > Enter 605 and match to the first part of the number>Click Search. Then choose your 605 number, make payment & start making & receiving calls and texts after the number activation.

605 Area Code History – Where Does a 605 Area Code Originate?
Area Code 605 originated from South Dakota, U.S. It is one of the 86 original Area Codes created in the NANP (North American Numbering Plan) in 1947. It was assigned to the entire state of South Dakota. Since then, it has never been split or overlaid. It is the only Area Code serving the whole of South Dakota.
The 605 Area Code is among only 12 Area Codes serving the entire state. Before 2021, it was assigned to the central office code 988. And it followed the seven-digit dialing, which was transitioned into ten-digit dialing by the South Dakota Public Utility Commission.
Why Choose 605 Area Code Number for Business?
From establishing a local presence in the corners of South Dakota to relishing the power of enhanced communication features – get everything with 605 South Dakota Area Code numbers for your business communications.

Access Powerful VoIP Features with your 605 Area Code Business Phone Number
Streamline your business communication among your team members and customers by investing in 605 business phone numbers. Take advantage of Area Code 605 phone numbers regardless of how big or small your business is.

Global Calling
Expand your customer base worldwide with Krispcall global calling features for making instant calls across borders.

Calls On Hold
Keep the calls on hold to get further support/assistance for the clients whenever necessary, without losing their calls.

Intelligent Call Routing
Instantly route customer calls to another line or agent who can better deal with their queries. Don’t keep your clients waiting.

Shared Number
Number-sharing option allows you to receive calls across multiple devices. Improve your customer response by eliminating missed calls.

Call Forwarding
Instantly route business calls to your cellphones and landlines whenever necessary. Make sure you are not missing out on clients when not in the office.

Call Recording
Record calls to monitor client requests and team performance. Use recorded calls as a guide for improving customer service and employee training.

Call Filters
Narrow down the call logs with Krispcall call filters. Efficiently screen through your incoming, outgoing, and missed calls.

Voicemail
Don’t lose touch with your clients when you are unavailable. Allow clients to drop you a voicemail so their queries never go missing.

DND mode for Agents
Switch to the Do Not Disturb mode and automatically shift incoming calls to voicemails to increase your focus on the work at hand.

Call Analytics
Optimize your marketing campaigns, call handling and team performance with insight driven phone call analytics data.

Contact Tags
Sort clients and teams using the contact tags feature. Tag contacts to customize your dashboard for better navigation.

Call History
View the entire conversation history, incoming and outgoing call logs, and messages in one unified dashboard.

Caller ID
Set location-based caller IDs for outbound international calls. Localize your number to improve the chances of reaching potential customers in new markets.

Call Transfer
Instantly route customer calls to another line or agent who can better deal with their queries. Don’t keep your clients waiting

Unified Callbox
Connect with your team and customers instantly without switching apps, using an all-in-one dashboard that handles calls, SMS messages, voicemails, and multiple other options.

Custom Greeting
Enhance the calling experience for your clients. Record personalized greeting messages, so your customers feel comfortable during calls.
Areas of Application for Area Code 605 Phone Number
Practical ways businesses use 605 Area Code numbers
Businesses can incorporate 605 Area Code numbers to localize their business in South Dakota while streamlining communication for enhanced business productivity and unparalleled customer experience.

Businesses can assign 605 area code numbers to their employees as their dedicated second phone numbers. It helps them track employees’ communication activities and whereabouts while helping employees manage their private communications.

Use Area Code 605 numbers for your business phone systems in South Dakota. Facilitate your customers with a local call to reach you cheaply and vice versa. More importantly, grow your business as a local to impact a greater audience.

Low-cost calling rates with local Area Code 605 phone numbers in Sioux Falls, South Dakota. A cloud call center can use these numbers to save a fortune in business communications, especially in the long run.

Create and deploy multiple vanity numbers using the 605 Area Code and track your marketing and sales campaigns. Invest in the ones that perform and revoke the ones that are not. A practical way to market and sell your products and services.

Use 605 Area Code phone numbers anywhere that involves making and receiving calls, sending and receiving text messages, or MMS. From personal use (social media to location tracking) to SMB sectors to large enterprises.
How to get a 605 Area Code Phone Number Online?
Purchasing 605 Area Code Phone Numbers takes only a few minutes with KrispCall. In minutes, you can follow the steps to obtain an area code 605 phone number. All you need is a valid payment detail.

Port Your 605 Area Code Number to KrispCall Cloud Telephony
You can also effortlessly port your existing 605 area code numbers to KrispCall. KrispCall provides you with a different number to keep your communication active during your porting process. The number will appear as your existing number for your outbound calls and all your inbound calls will be redirected to it. Go on with your business without altering your business communication.
Frequently Asked Questions
Didn’t find the Answer you were looking for?
Visit our Help Center or Contact Support
Area Code 605 is the only telephone area code in NANP (North American Numbering Plan) for the entire U.S state of South Dakota. It serves 66 counties, including cities and communities like Sioux Falls, Rapid City, Aberdeen, Brookings, and Watertown.
Country | USA |
State | South Dakota |
Major Cities | Sioux Falls, Rapid City, Aberdeen, Brookings, and Watertown |
Time Zone | Central / Mountain Time Zone |
Telephone Number Format | +1 (605) XXX-XXXX. |
Zip Code | 57001-57799 |
605 Area Code is located in the entire U.S. state of South Dakota. It serves 66 counties: Minnehaha, Pennington, Lincoln, Brown, and Brookings, among others. It is the only Area Code that serves the state. Rapid City, Sioux Falls, and Watertown are major cities of its service.
All the cities and communities of the U.S. state of South Dakota, including major cities like Sioux Falls, Brookings, and Yankton, have the 605 Area Code since it is the only Area Code for South Dakota. It has been serving these cities since 1947.
Area Code 605 comes from the U.S. state of South Dakota. It is one of only 12 Area Codes that serve the entire state and has never been split or overlaid.
The time zone of 605 area code is the Mountain and Central Time Zones. The Mountain time zone is also referred to as America/Denver and the Central time zone is also referred to as America/Chicago.Â
It depends on the features provided by the service provider. With KrispCall, 605 Area Codes support phone calls, text messages, custom greetings, global call forwardings, international calling, call recording, and multimedia messages.
Area Code 605 can sometimes be a scam if you do not acquire it from a legitimate service provider. Usually, free virtual phone numbers with 605 Area Codes are scams. Always get 605 Area Code phone numbers from legit VoIP providers like KrispCall.
Some of the popular 605 Area Code phone number carriers are Cingular Wireless, Verizon Wireless, Midcontinent Comms, Aerial Comms, Mcleodusa Telecom Services, Santel Comms Cooperative, and Midstate Telecom.
Anyone with a 605 Area Code local phone number can call outbound. It can be a legitimate business call or even a scam call. Always check their online presence and do some background checks (code lookup, caller id, & reverse phone lookup) on the caller using their provided information on the call.
The 605 area code zip code ranges from 57001 to 57799. Alcester (Union County) has the lowest zip code, 57001, and Spearfish (Lawrence County) has the highest zip code, 57799.