© Goodcall 2025
Built with ❤ by humans and AI agents in California, Egypt, GPUland, Virginia and Washington
.webp)
The 605 area code serves the entire US state of South Dakota, a region characterized by the vast Great Plains, the iconic Black Hills, and a highly business-friendly environment. A local 605 number is vital for businesses seeking to connect with the populace and economy of this major agricultural, financial, and tourism center.
The 605 area code is a telephone area code in the North American Numbering Plan (NANP) serving the entire state of South Dakota. The numbering plan area (NPA) covers a vast region that is defined by agriculture, tourism, and a major financial services sector.
It is known for its pro-business environment and for hosting major national financial institutions due to favorable state banking laws. The 605 area code was one of the 86 original area codes established in 1947. Due to the state's low population density, it has remained the sole area code for the entire state since its inception, without requiring any splits or overlays.
The 605 area code serves the entire state of South Dakota, which is anchored by the financial and commercial center of Sioux Falls. The area is a key economic hub for industries including financial services, healthcare, and agriculture.
The city of Sioux Falls, the largest anchor of the 605 region, has a projected 2025 population of 209,289 residents. The economic profile of the city shows a strong median household income of $74,714, with a poverty rate of 9.64%.
Demographically, the city's population is diverse, with White residents making up 79.85%. The population also includes significant percentages of residents identifying as Black or African American (7.03%) and Two or more races (6.97%), contributing to the diverse workforce and community of Eastern South Dakota.
The 605 area code covers all of South Dakota, which spans two time zones: the Central Time Zone (UTC-6) for most of the state (like Sioux Falls) and the Mountain Time Zone (UTC-7) for the western part (like Rapid City).
The 605 area code adds local trust and credibility, making it valuable for businesses in South Dakota. Here’s how a business number with the 605 area code is important for your business:
When customers see a local 605 area code number, they immediately recognize it as part of their community. This familiarity creates trust and reduces hesitation to answer calls. Research shows that consumers are more likely to pick up calls from numbers with local area codes compared to unfamiliar or out-of-state numbers.
For small businesses, using a local area code 605 number shows commitment to serving the community. For larger enterprises, it signals accessibility and helps build stronger relationships with regional customers.
Some well-known enterprises that would benefit from a local 605 number include:
Goodcall provides trusted local caller IDs that improve response rates for fraud alerts, loan inquiries, and branch service calls across the 605 region, where banking is the largest industry in terms of GDP.
Goodcall helps improve patient communication, appointment confirmations, and triage-line routing with trusted local numbers, essential for coordinating care across a large, rural service area.
A 605 area code phone number helps logistics teams improve delivery coordination, reduce missed drop-offs, and streamline customer callbacks with local caller ID, vital for moving goods across the vast state.
It enables IT firms and service providers to offer local support numbers, faster response times, and trusted customer touchpoints to the region's major corporate and government clients.
A local number can help insurers speed up claims communication, underwriting follow-ups, and customer support interactions across the state.
Setting up your 605 area code number with Goodcall is quick and straightforward. Here’s how it works:
Choosing Goodcall means more than just getting a local number; it means equipping your business with tools to handle calls efficiently.
With these advantages, Goodcall makes it easier for you to manage calls and focus on growing your business.
Our local 605 area code numbers come with affordable pricing plans designed to fit every business size. We offer flexible pricing options that scale with your needs, whether you’re a startup or an established enterprise. Additionally, you can save 30% on annual subscriptions, giving your business more value at a lower cost.
What is the 605 area code, and where is it located?
The 605 area code serves the entire state of South Dakota, USA, covering all its cities, towns, and rural areas, including major hubs like Sioux Falls, Rapid City, Aberdeen, and Pierre.
What cities does the 605 area code cover?
The 605 area code covers major cities such as Sioux Falls, Rapid City, Aberdeen, Brookings, Watertown, and the state capital, Pierre.
What time zone is area code 605 in?
The 605 area code primarily observes the Central Time Zone (UTC-6) for the eastern part (like Sioux Falls) and the Mountain Time Zone (UTC-7) for the western part (like Rapid City).
Does the 605 area code get spam calls?
Like any area code, spam and robocalls do occur, but using a trusted business provider like Goodcall helps filter unwanted calls.
Which types of businesses benefit most from a local 605 number?
Local service providers, tech companies, restaurants, real estate agents, and startups benefit from a 605 number, as it boosts local trust and visibility.
How can I get a local 605 area code number for my business?
You can get a 605 number easily by signing up with Goodcall, choosing your plan, and selecting your preferred local number.
Can I forward calls from my 605 number elsewhere?
Yes. With Goodcall, you can forward calls to any phone, ensuring you never miss a customer inquiry.
How much does it cost to get a 605 area code number?
Goodcall plans are affordable and flexible, at $66 per month per agent annually.
Is the 605 area code toll-free?
No, 605 is not a toll-free area code. It’s a geographic code for South Dakota, designed to give businesses a trusted local identity. Toll-free numbers in the US typically begin with prefixes such as 800, 888, 877, or 855.