CallataGuidesBusiness phone system for engineering services firms in Birmingham, AL
Engineering services firms in the Birmingham, AL metro area: 216 establishments in 2023, the local area codes, and what phone service costs a 14-person team.
- Establishments
- 216CBP 2023
- Employees
- 2,947mid-March 2023
- Per 100k residents
- 18.1U.S. 18.6
- Rank
- 59th of 735areas by count
How many engineering services firms are in Birmingham, AL?
There were 216 engineering services firms in the Birmingham, AL metro area in 2023, according to Census County Business Patterns (NAICS 541330, Engineering Services). Together they reported 2,947 mid-March employees and $281.0 million of payroll for the year. That ranks 59th of the 735 metro and micropolitan areas where Census published a count for this industry.
With 1.2 million residents in the Census 2024 estimate, that is 18.1 engineering services firms per 100,000 people, 2.6% below the national rate of 18.6. Establishments average 13.6 employees, 31.6% below the U.S. average of 19.9. Payroll per employee comes to $95,350, 13.3% below the national $109,949.
| Measure | Birmingham, AL | Alabama | United States |
|---|---|---|---|
| Establishments | 216 | 983 | 63,233 |
| Mid-March employees | 2,947 | 31,295 | 1,260,577 |
| Annual payroll | $280,996,000 | $3,407,727,000 | $138,599,619,000 |
| Employees per establishment | 13.6 | 31.8 | 19.9 |
| Payroll per employee | $95,350 | $108,890 | $109,949 |
| Establishments per 100,000 residents | 18.1 | 19.1 | 18.6 |
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.
Team sizes at engineering services firms in Birmingham, AL
Of the engineering services firms in Birmingham, AL that had employees in March 2023, 45.8% had fewer than five (the U.S. share is 53.1%). 64.8% had fewer than ten. For a business of a few people, phone coverage is a staffing question as much as a technology one: someone has to be free to pick up, or the call needs somewhere sensible to go.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 99 | 45.8% | 53.1% |
| 5–9 employees | 41 | 19.0% | 15.0% |
| 10–19 employees | 36 | 16.7% | 13.1% |
| 20–49 employees | 28 | 13.0% | 11.3% |
| 50 or more employees | 12 | 5.6% | 7.6% |
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 engineering firm in Birmingham, AL has to catch
Engineering firms handle client calls, contractor questions and agency coordination, often while staff are in the field. Routing calls to the right project engineer saves time on every project.
Calls an engineering firm in Birmingham, AL might handle in a typical week include:
- A homeowner calls about a structural inspection.
- A contractor calls with a field question.
- A municipal reviewer calls about comments.
After-hours calls
Field issues sometimes need an after-hours callback; routine calls can wait until morning.
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 an engineering firm in Birmingham, AL
The average engineering firm in Birmingham, AL has 13.6 employees, so a 14-person team is a reasonable benchmark. Priced per seat, 14 users would run $420.00 a month on RingCentral RingEX Core and $349.30 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $1,692. 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 | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
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 Birmingham, AL
NANPA records place the exchanges of the area's named cities and towns in 3 area codes. 205 has the most, with 602 of 727 exchanges (83%). 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 |
|---|---|---|---|---|
| 205 | 602 | Central | 1947 | 659 |
| 659 | 121 | Central | 2019 | 205 |
| 334 | 4 | Central | 1995 | 483 |
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 engineering services firms in Birmingham, AL 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.
If you already have a number in Birmingham, AL, 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.
Frequently asked questions
How many engineering services firms are there in Birmingham, AL?
Census County Business Patterns counted 216 engineering services firms in the Birmingham, AL metro area in 2023. They employed 2,947 people in mid-March.
What does a business phone system cost for a 14-person engineering firm?
At month-to-month list prices checked September 28, 2026, 14 users cost $420.00 a month on RingCentral RingEX Core and $349.30 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $279.00.
What area code should an engineering firm in Birmingham, AL use?
Area code 205 has the most assigned exchanges among the area's named places, followed by 659 and 334. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for an engineering 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.