CallataGuidesBusiness phone system for offices of certified public accountants in Rapid City, SD
Offices of certified public accountants in the Rapid City, SD metro area: 21 establishments in 2023, the local area codes, and what phone service costs a 13-person team.
- Establishments
- 21CBP 2023
- Employees
- 268mid-March 2023
- Per 100k residents
- 13.4U.S. 16.2
- Rank
- 292nd of 864areas by count
The accounting firm market in Rapid City, SD
County Business Patterns counts 21 offices of certified public accountants (NAICS 541211, Offices of Certified Public Accountants) in the Rapid City, SD metro area for 2023. Together they reported 268 mid-March employees and $15.1 million of payroll for the year. That ranks 292nd of the 864 metro and micropolitan areas where Census published a count for this industry.
With 156,000 residents in the Census 2024 estimate, that is 13.4 offices of certified public accountants per 100,000 people, 17.0% below the national rate of 16.2. Establishments average 12.8 employees, 16.3% above the U.S. average of 11.0. Payroll per employee comes to $56,317, 44.1% below the national $100,691.
| Measure | Rapid City, SD | South Dakota | United States |
|---|---|---|---|
| Establishments | 21 | 142 | 55,052 |
| Mid-March employees | 268 | 1,365 | 604,209 |
| Annual payroll | $15,093,000 (moderate noise) | $83,427,000 | $60,838,681,000 |
| Employees per establishment | 12.8 | 9.6 | 11.0 |
| Payroll per employee | $56,317 | $61,119 | $100,691 |
| Establishments per 100,000 residents | 13.4 | 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 Rapid City, SD are
Of the offices of certified public accountants in Rapid City, SD that had employees in March 2023, 70.6% had fewer than five (the U.S. share is 64.8%). 100.0% had fewer than ten. Small teams usually share the phone: the person who answers is often also serving a customer or doing the job, which is when calls get missed.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 12 | 70.6% | 64.8% |
| 5–9 employees | 5 | 29.4% | 18.8% |
| 10–19 employees | not published | — | 9.2% |
| 20–49 employees | not published | — | 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.
Why the phone matters for offices of certified public accountants in Rapid City, SD
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.
A few of the calls that come in to offices of certified public accountants in Rapid City, SD:
- A bank calls to verify a client's financial statements.
- The firm calls a client to request a signature.
- A client calls about a notice from a tax agency.
Calls after closing time
During filing season, after-hours voicemails pile up quickly, so transcription and urgency flags help staff work through them.
Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.
Phone system pricing for a 13-person accounting firm
The average accounting firm in Rapid City, SD has 12.8 employees, so a 13-person team is a reasonable benchmark. Priced per seat, 13 users would run $390.00 a month on RingCentral RingEX Core and $324.35 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 13 people cost $259.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $1,572. Some vendors discount annual contracts; the table shows month-to-month prices.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $259.00 | $3,108.00 |
| Quo (Starter) | $19.00 per user | $247.00 | $2,964.00 |
| Nextiva (Core) | $23.00 per user | $299.00 | $3,588.00 |
| Ooma (Office Pro) | $24.95 per user | $324.35 | $3,892.20 |
| Dialpad (Standard) | $27.00 per user | $351.00 | $4,212.00 |
| RingCentral (RingEX Core) | $30.00 per user | $390.00 | $4,680.00 |
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.
Local area codes for offices of certified public accountants in Rapid City, SD
The exchanges in the area's named cities and towns are all in area code 605 (77 exchanges in NANPA's file). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your clients recognize, subject to carrier inventory, or port the number you already have for free.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 605 | 77 | Central and Mountain | 1947 | none |
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.
If you already have a number in Rapid City, SD, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 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 Rapid City, SD?
Census County Business Patterns counted 21 offices of certified public accountants in the Rapid City, SD metro area in 2023. They employed 268 people in mid-March.
What does a business phone system cost for a 13-person accounting firm?
At month-to-month list prices checked September 28, 2026, 13 users cost $390.00 a month on RingCentral RingEX Core and $324.35 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $259.00.
What area code should an accounting firm in Rapid City, SD use?
Area code 605 has the most assigned exchanges among the area's named places. 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.