CallataGuidesBusiness phone system for law offices in St. Louis, MO-IL
Law offices in the St. Louis, MO-IL metro area: 1,393 establishments in 2023, the local area codes, and what phone service costs an 8-person team.
- Establishments
- 1,393CBP 2023
- Employees
- 10,509mid-March 2023
- Per 100k residents
- 49.5U.S. 48.7
- Rank
- 23rd of 915areas by count
How many law offices are in St. Louis, MO-IL?
There were 1,393 law offices in the St. Louis, MO-IL metro area in 2023, according to Census County Business Patterns (NAICS 541110, Offices of Lawyers). Together they reported 10,509 mid-March employees and $1.2 billion of payroll for the year. That ranks 23rd of the 915 metro and micropolitan areas where Census published a count for this industry.
With 2.8 million residents in the Census 2024 estimate, that is 49.5 law offices per 100,000 people, in line with the national rate of 48.7. Establishments average 7.5 employees, 14.2% above the U.S. average of 6.6. Payroll per employee comes to $117,391, 6.5% below the national $125,580.
| Measure | St. Louis, MO-IL | Missouri | United States |
|---|---|---|---|
| Establishments | 1,393 | 2,759 | 165,491 |
| Mid-March employees | 10,509 | 18,479 | 1,093,331 |
| Annual payroll | $1,233,664,000 | $2,006,488,000 | $137,300,251,000 |
| Employees per establishment | 7.5 | 6.7 | 6.6 |
| Payroll per employee | $117,391 | $108,582 | $125,580 |
| Establishments per 100,000 residents | 49.5 | 44.2 | 48.7 |
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.
Establishment size: law offices in St. Louis, MO-IL
Of the law offices in St. Louis, MO-IL that had employees in March 2023, 69.8% had fewer than five (the U.S. share is 71.8%). 86.1% 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 | 972 | 69.8% | 71.8% |
| 5–9 employees | 227 | 16.3% | 15.1% |
| 10–19 employees | 99 | 7.1% | 7.4% |
| 20–49 employees | 65 | 4.7% | 4.0% |
| 50 or more employees | 30 | 2.2% | 1.8% |
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 a law office in St. Louis, MO-IL has to catch
Prospective clients often call a law office at a stressful moment and contact more than one firm, so the first firm to respond has an advantage. Attorneys are frequently in court or meetings, which makes accurate message taking and routing to the right paralegal essential. That holds for law offices in St. Louis, MO-IL as much as anywhere.
Calls a law office in St. Louis, MO-IL might handle in a typical week include:
- The firm calls a prospective client back after an online inquiry.
- A court clerk calls about a hearing date.
- An existing client calls for an update on their matter.
When nobody can pick up
Potential clients often call in the evening, so capturing and transcribing those messages lets the firm call back first thing.
Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.
What a phone system costs a law office in St. Louis, MO-IL
The average law office in St. Louis, MO-IL has 7.5 employees, so an 8-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $199.60 a month on Ooma Office Pro or $240.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 8 people cost $159.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $972. 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 | $159.00 | $1,908.00 |
| Quo (Starter) | $19.00 per user | $152.00 | $1,824.00 |
| Nextiva (Core) | $23.00 per user | $184.00 | $2,208.00 |
| Ooma (Office Pro) | $24.95 per user | $199.60 | $2,395.20 |
| Dialpad (Standard) | $27.00 per user | $216.00 | $2,592.00 |
| RingCentral (RingEX Core) | $30.00 per user | $240.00 | $2,880.00 |
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 St. Louis, MO-IL
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 314 has the most, with 723 of 1,483 exchanges (49%). 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 |
|---|---|---|---|---|
| 314 | 723 | Central | 1947 | 557 |
| 618 | 324 | Central | 1947 | 730 |
| 636 | 308 | Central | 1999 | none |
| 557 | 71 | Central | 2022 | 314 |
| 730 | 30 | Central | 2023 | 618 |
| 217 | 14 | Central | 1947 | 447 |
| 573 | 11 | Central | 1996 | 235 |
| 447 | 2 | Central | 2021 | 217 |
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.
Setting up Callata for a law office in St. Louis, MO-IL
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 St. Louis, MO-IL, 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.
Firms should consider privilege and confidentiality before recording calls or using AI summaries, and follow their bar's guidance on client communications.
Frequently asked questions
How many law offices are there in St. Louis, MO-IL?
Census County Business Patterns counted 1,393 law offices in the St. Louis, MO-IL metro area in 2023. They employed 10,509 people in mid-March.
What does a business phone system cost for an 8-person law office?
At month-to-month list prices checked September 28, 2026, 8 users cost $240.00 a month on RingCentral RingEX Core and $199.60 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $159.00.
What area code should a law office in St. Louis, MO-IL use?
Area code 314 has the most assigned exchanges among the area's named places, followed by 618 and 636. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a law office?
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. Firms should consider privilege and confidentiality before recording calls or using AI summaries, and follow their bar's guidance on client communications.