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Business phone system for offices of certified public accountants in Oklahoma City, OK

Offices of certified public accountants in the Oklahoma City, OK metro area: 350 establishments in 2023, the local area codes, and what phone service costs a 6-person team.

Establishments
350CBP 2023
Employees
1,984mid-March 2023
Per 100k residents
23.4U.S. 16.2
Rank
30th of 864areas by count

Offices of certified public accountants in Oklahoma City, OK by the numbers

The Census Bureau's 2023 County Business Patterns lists 350 establishments classified as Offices of Certified Public Accountants (NAICS 541211) in the Oklahoma City, OK metro area. They employed 1,984 people in mid-March and paid $142.5 million in annual payroll. By establishment count the area is 30th out of 864 areas with published figures for offices of certified public accountants.

Measured against its 1.5 million residents (2024 estimate), the area has 23.4 offices of certified public accountants per 100,000 people; the U.S. rate is 16.2, so Oklahoma City, OK is 44.4% above the national figure. The average establishment here has 5.7 employees, compared with 11.0 nationally. Payroll per employee comes to $71,801, 28.7% below the national $100,691.

Offices of certified public accountants: Oklahoma City, OK compared with Oklahoma and the U.S., 2023
MeasureOklahoma City, OKOklahomaUnited States
Establishments35080855,052
Mid-March employees1,9845,033604,209
Annual payroll$142,453,000$337,480,000$60,838,681,000
Employees per establishment5.76.211.0
Payroll per employee$71,801$67,053$100,691
Establishments per 100,000 residents23.419.716.2

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 Oklahoma City, OK are

Of the offices of certified public accountants in Oklahoma City, OK that had employees in March 2023, 68.2% had fewer than five (the U.S. share is 64.8%). 86.2% 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.

Offices of certified public accountants in Oklahoma City, OK by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees23868.2%64.8%
5–9 employees6318.1%18.8%
10–19 employees308.6%9.2%
20–49 employees123.4%4.3%
50 or more employees61.7%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.

What offices of certified public accountants in Oklahoma City, OK use the phone for

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.

Calls an accounting firm in Oklahoma City, OK might handle in a typical week include:

Texting clients

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 6-person accounting firm

The average accounting firm in Oklahoma City, OK has 5.7 employees, so a 6-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $149.70 a month on Ooma Office Pro or $180.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $119.00 a month for 6 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $732 less than RingCentral for an accounting firm in Oklahoma City, OK of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 6-person accounting firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$119.00$1,428.00
Quo (Starter)$19.00 per user$114.00$1,368.00
Nextiva (Core)$23.00 per user$138.00$1,656.00
Ooma (Office Pro)$24.95 per user$149.70$1,796.40
Dialpad (Standard)$27.00 per user$162.00$1,944.00
RingCentral (RingEX Core)$30.00 per user$180.00$2,160.00

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 Oklahoma City, OK

NANPA records place the exchanges of the area's named cities and towns in 5 area codes. 405 has the most, with 592 of 697 exchanges (85%). A local number lets clients in Oklahoma City, OK 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 codes in the Oklahoma City, OK area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
405592Central1947572
57285Central2021405
9189Central1953539
5808Central1997none
5393Central2011918

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.

What offices of certified public accountants in Oklahoma City, OK get with Callata

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Oklahoma City, OK 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 Oklahoma City, OK?

Census County Business Patterns counted 350 offices of certified public accountants in the Oklahoma City, OK metro area in 2023. They employed 1,984 people in mid-March.

What does a business phone system cost for a 6-person accounting firm?

At month-to-month list prices checked September 28, 2026, 6 users cost $180.00 a month on RingCentral RingEX Core and $149.70 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $119.00.

What area code should an accounting firm in Oklahoma City, OK use?

Area code 405 has the most assigned exchanges among the area's named places, followed by 572 and 918. 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.