CallataGuides

Business phone system for medical laboratories in San Francisco, CA

Medical laboratories in the San Francisco-Oakland-Fremont, CA metro area: 205 establishments in 2023, the local area codes, and what phone service costs a 29-person team.

Establishments
205CBP 2023
Employees
5,846mid-March 2023
Per 100k residents
4.4U.S. 4.9
Rank
14th of 485areas by count

The medical laboratory market in San Francisco, CA

There were 205 medical laboratories in the San Francisco-Oakland-Fremont, CA metro area in 2023, according to Census County Business Patterns (NAICS 621511, Medical Laboratories). Together they reported 5,846 mid-March employees and $796.1 million of payroll for the year. That ranks 14th of the 485 metro and micropolitan areas where Census published a count for this industry.

With 4.6 million residents in the Census 2024 estimate, that is 4.4 medical laboratories per 100,000 people, 9.8% below the national rate of 4.9. Establishments average 28.5 employees, 104.2% above the U.S. average of 14.0. Payroll per employee comes to $136,182, 83.6% above the national $74,156.

Medical laboratories: San Francisco, CA compared with California and the U.S., 2023
MeasureSan Francisco, CACaliforniaUnited States
Establishments2051,78416,635
Mid-March employees5,84632,649232,333
Annual payroll$796,120,000$3,248,131,000$17,228,940,000
Employees per establishment28.518.314.0
Payroll per employee$136,182$99,486$74,156
Establishments per 100,000 residents4.44.54.9

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: medical laboratories in San Francisco, CA

Of the medical laboratories in San Francisco, CA that had employees in March 2023, 65.5% had fewer than five (the U.S. share is 69.4%). 76.8% 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.

Medical laboratories in San Francisco, CA by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees13365.5%69.4%
5–9 employees2311.3%13.6%
10–19 employees2411.8%7.5%
20–49 employees83.9%4.8%
50 or more employees157.4%4.6%

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 a medical laboratory in San Francisco, CA has to catch

Labs answer calls from both patients and ordering providers, and the questions differ: hours and preparation instructions on one side, specimen and result status on the other. Routing those calls separately keeps both groups from waiting. That holds for medical laboratories in San Francisco, CA as much as anywhere.

Calls a medical laboratory in San Francisco, CA might handle in a typical week include:

Calls after closing time

After-hours calls are mostly about the next day's hours and preparation, which a clear greeting can answer.

Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.

Callata vs. per-seat pricing for medical laboratories in San Francisco, CA

The average medical laboratory in San Francisco, CA has 28.5 employees, so a 29-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, 29 users on RingCentral RingEX Core cost $870.00 a month and 29 on Ooma Office Pro cost $723.55. On Callata the same 29 people cost $579.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $3,492. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for a 29-person medical laboratory
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$579.00$6,948.00
Quo (Starter)$19.00 per user$551.00$6,612.00
Nextiva (Core)$23.00 per user$667.00$8,004.00
Ooma (Office Pro)$24.95 per user$723.55$8,682.60
Dialpad (Standard)$27.00 per user$783.00$9,396.00
RingCentral (RingEX Core)$30.00 per user$870.00$10,440.00

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 San Francisco, CA

NANPA records place the exchanges of the area's named cities and towns in 6 area codes. 415 has the most, with 628 of 1,734 exchanges (36%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your patients and providers recognize, subject to carrier inventory, or port the number you already have for free.

Area codes in the San Francisco, CA area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
415628Pacific1947628
925514Pacific1998none
650268Pacific1997none
510170Pacific1991341
628131Pacific2015415
34123Pacific2019510

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 medical laboratories

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 San Francisco, 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.

Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.

Frequently asked questions

How many medical laboratories are there in San Francisco, CA?

Census County Business Patterns counted 205 medical laboratories in the San Francisco-Oakland-Fremont, CA metro area in 2023. They employed 5,846 people in mid-March.

What does a business phone system cost for a 29-person medical laboratory?

At month-to-month list prices checked September 28, 2026, 29 users cost $870.00 a month on RingCentral RingEX Core and $723.55 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $579.00.

What area code should a medical laboratory in San Francisco, CA use?

Area code 415 has the most assigned exchanges among the area's named places, followed by 925 and 650. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for a medical laboratory?

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. Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.