CallataGuidesBusiness phone system for computer systems design services firms in Los Angeles, CA
Computer systems design services firms in the Los Angeles-Long Beach-Anaheim, CA metro area: 2,759 establishments in 2023, the local area codes, and what phone service costs an 8-person team.
- Establishments
- 2,759CBP 2023
- Employees
- 21,514mid-March 2023
- Per 100k residents
- 21.3U.S. 17.1
- Rank
- 4th of 577areas by count
Computer systems design services firms in Los Angeles, CA by the numbers
The Census Bureau's 2023 County Business Patterns lists 2,759 establishments classified as Computer Systems Design Services (NAICS 541512) in the Los Angeles-Long Beach-Anaheim, CA metro area. Together they reported 21,514 mid-March employees and $2.7 billion of payroll for the year. That ranks 4th of the 577 metro and micropolitan areas where Census published a count for this industry.
With 12.9 million residents in the Census 2024 estimate, that is 21.3 computer systems design services firms per 100,000 people, 24.9% above the national rate of 17.1. Establishments average 7.8 employees, 40.9% below the U.S. average of 13.2. Payroll per employee comes to $126,311, 3.4% above the national $122,171.
| Measure | Los Angeles, CA | California | United States |
|---|---|---|---|
| Establishments | 2,759 | 7,616 | 58,113 |
| Mid-March employees | 21,514 | 87,673 | 766,160 |
| Annual payroll | $2,717,458,000 | $15,822,440,000 | $93,602,442,000 |
| Employees per establishment | 7.8 | 11.5 | 13.2 |
| Payroll per employee | $126,311 | $180,471 | $122,171 |
| Establishments per 100,000 residents | 21.3 | 19.3 | 17.1 |
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 computer systems design services firms in Los Angeles, CA
Of the computer systems design services firms in Los Angeles, CA that had employees in March 2023, 80.1% had fewer than five (the U.S. share is 74.5%). 89.7% 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 | 2,208 | 80.1% | 74.5% |
| 5–9 employees | 264 | 9.6% | 9.7% |
| 10–19 employees | 136 | 4.9% | 6.5% |
| 20–49 employees | 78 | 2.8% | 5.0% |
| 50 or more employees | 71 | 2.6% | 4.4% |
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 computer systems design services firms in Los Angeles, CA
Managed IT and systems integration firms field support calls that range from a forgotten password to a server outage. Clients judge them by how quickly someone answers when something breaks.
A few of the calls that come in to computer systems design services firms in Los Angeles, CA:
- The firm calls a client to schedule maintenance.
- A vendor calls about a hardware order.
- A client calls because email is down for the whole office.
Calls after closing time
Outages do not keep business hours, so routing urgent after-hours calls to an on-call technician is common.
Business-hours routing in Callata sends calls to voicemail, a teammate's cell or an AI agent once the day ends, and voicemails arrive transcribed with an urgency flag.
Callata vs. per-seat pricing for computer systems design services firms in Los Angeles, CA
The average IT services firm in Los Angeles, CA has 7.8 employees, so an 8-person team is a reasonable benchmark. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 8 users on RingCentral RingEX Core cost $240.00 a month and 8 on Ooma Office Pro cost $199.60. 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.
Which area code to use in Los Angeles, CA
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 323 has the most, with 786 of 5,035 exchanges (16%). 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 |
|---|---|---|---|---|
| 323 | 786 | Pacific | 1998 | 213, 738 |
| 213 | 780 | Pacific | 1947 | 323, 738 |
| 714 | 777 | Pacific | 1951 | 657 |
| 626 | 722 | Pacific | 1997 | none |
| 657 | 643 | Pacific | 2008 | 714 |
| 562 | 541 | Pacific | 1997 | none |
| 949 | 454 | Pacific | 1998 | none |
| 310 | 332 | Pacific | 1991 | 424 |
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 computer systems design services firms in Los Angeles, CA get with Callata
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in Los Angeles, CA, 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 computer systems design services firms are there in Los Angeles, CA?
Census County Business Patterns counted 2,759 computer systems design services firms in the Los Angeles-Long Beach-Anaheim, CA metro area in 2023. They employed 21,514 people in mid-March.
What does a business phone system cost for an 8-person IT services firm?
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 an IT services firm in Los Angeles, CA use?
Area code 323 has the most assigned exchanges among the area's named places, followed by 213 and 714. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for an IT services 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.