CallataGuidesBusiness phone system for offices of certified public accountants in Sioux Falls, SD-MN
Offices of certified public accountants in the Sioux Falls, SD-MN metro area: 50 establishments in 2023, the local area codes, and what phone service costs a 12-person team.
- Establishments
- 50CBP 2023
- Employees
- 594mid-March 2023
- Per 100k residents
- 16.2U.S. 16.2
- Rank
- 158th of 864areas by count
How many offices of certified public accountants are in Sioux Falls, SD-MN?
There were 50 offices of certified public accountants in the Sioux Falls, SD-MN metro area in 2023, according to Census County Business Patterns (NAICS 541211, Offices of Certified Public Accountants). They employed 594 people in mid-March and paid $39.3 million in annual payroll. By establishment count the area is 158th out of 864 areas with published figures for offices of certified public accountants.
Measured against its 308,000 residents (2024 estimate), the area has 16.2 offices of certified public accountants per 100,000 people; the U.S. rate is 16.2, so Sioux Falls, SD-MN is in line with the national figure. The average establishment here has 11.9 employees, compared with 11.0 nationally. Payroll per employee comes to $66,125, 34.3% below the national $100,691.
| Measure | Sioux Falls, SD-MN | South Dakota | United States |
|---|---|---|---|
| Establishments | 50 | 142 | 55,052 |
| Mid-March employees | 594 | 1,365 | 604,209 |
| Annual payroll | $39,278,000 | $83,427,000 | $60,838,681,000 |
| Employees per establishment | 11.9 | 9.6 | 11.0 |
| Payroll per employee | $66,125 | $61,119 | $100,691 |
| Establishments per 100,000 residents | 16.2 | 15.4 | 16.2 |
Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.
How big offices of certified public accountants in Sioux Falls, SD-MN are
Of the offices of certified public accountants in Sioux Falls, SD-MN that had employees in March 2023, 61.7% had fewer than five (the U.S. share is 64.8%). 83.0% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 29 | 61.7% | 64.8% |
| 5–9 employees | 10 | 21.3% | 18.8% |
| 10–19 employees | 5 | 10.6% | 9.2% |
| 20–49 employees | 3 | 6.4% | 4.3% |
| 50 or more employees | 0 | 0.0% | 2.9% |
Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.
Calls an accounting firm in Sioux Falls, SD-MN has to catch
CPA firms see sharp call peaks around filing deadlines, when the same small staff answers questions from many clients at once. Capturing every call and routing it to the right preparer keeps deadline weeks manageable. That holds for offices of certified public accountants in Sioux Falls, SD-MN as much as anywhere.
A few of the calls that come in to offices of certified public accountants in Sioux Falls, SD-MN:
- A bank calls to verify a client's financial statements.
- A client calls to ask whether a missing tax form has been received.
- A small business owner calls to ask about bookkeeping help.
Business texting for offices of certified public accountants
Firms text document reminders and let clients know when returns are ready to sign.
Team texting on Callata runs from your business number, so replies come from the practice or shop rather than someone's personal phone. It turns on after the one-time $49 carrier registration (10DLC) is approved.
Phone system pricing for a 12-person accounting firm
The average accounting firm in Sioux Falls, SD-MN has 11.9 employees, so a 12-person team is a reasonable benchmark. Priced per seat, 12 users would run $360.00 a month on RingCentral RingEX Core and $299.40 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,452 less than RingCentral for an accounting firm in Sioux Falls, SD-MN of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $239.00 | $2,868.00 |
| Quo (Starter) | $19.00 per user | $228.00 | $2,736.00 |
| Nextiva (Core) | $23.00 per user | $276.00 | $3,312.00 |
| Ooma (Office Pro) | $24.95 per user | $299.40 | $3,592.80 |
| Dialpad (Standard) | $27.00 per user | $324.00 | $3,888.00 |
| RingCentral (RingEX Core) | $30.00 per user | $360.00 | $4,320.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Getting a local number in Sioux Falls, SD-MN
NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 605 has the most, with 134 of 146 exchanges (92%). A local number lets clients in Sioux Falls, SD-MN call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 605 | 134 | Central and Mountain | 1947 | none |
| 507 | 12 | Central | 1954 | 924 |
Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.
How Callata works for offices of certified public accountants
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
Porting a number you already use in Sioux Falls, SD-MN is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Avoid sending taxpayer identification numbers or full financial details by text.
Frequently asked questions
How many offices of certified public accountants are there in Sioux Falls, SD-MN?
Census County Business Patterns counted 50 offices of certified public accountants in the Sioux Falls, SD-MN metro area in 2023. They employed 594 people in mid-March.
What does a business phone system cost for a 12-person accounting firm?
At month-to-month list prices checked September 28, 2026, 12 users cost $360.00 a month on RingCentral RingEX Core and $299.40 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $239.00.
What area code should an accounting firm in Sioux Falls, SD-MN use?
Area code 605 has the most assigned exchanges among the area's named places, followed by 507. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for an accounting firm?
Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute. Avoid sending taxpayer identification numbers or full financial details by text.