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Business phone system for payroll services firms in San Francisco, CA

Payroll services firms in the San Francisco-Oakland-Fremont, CA metro area: 67 establishments in 2023, the local area codes, and what phone service costs a 19-person team.

Establishments
67CBP 2023
Employees
1,240mid-March 2023
Per 100k residents
1.4U.S. 1.6
Rank
14th of 232areas by count

The payroll and bookkeeping firm market in San Francisco, CA

The Census Bureau's 2023 County Business Patterns lists 67 establishments classified as Payroll Services (NAICS 541214) in the San Francisco-Oakland-Fremont, CA metro area. They employed 1,240 people in mid-March and paid $168.5 million in annual payroll. By establishment count the area is 14th out of 232 areas with published figures for payroll services firms.

Measured against its 4.6 million residents (2024 estimate), the area has 1.4 payroll services firms per 100,000 people; the U.S. rate is 1.6, so San Francisco, CA is 11.8% below the national figure. The average establishment here has 18.5 employees, compared with 55.7 nationally. Payroll per employee comes to $135,870, 105.0% above the national $66,265.

Payroll services firms: San Francisco, CA compared with California and the U.S., 2023
MeasureSan Francisco, CACaliforniaUnited States
Establishments677115,556
Mid-March employees1,240 (moderate noise)49,823 (moderate noise)309,518
Annual payroll$168,479,000 (moderate noise)$2,737,907,000$20,510,140,000
Employees per establishment18.570.155.7
Payroll per employee$135,870$54,953$66,265
Establishments per 100,000 residents1.41.81.6

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 payroll services firms in San Francisco, CA

Of the payroll services firms in San Francisco, CA that had employees in March 2023, 60.0% had fewer than five (the U.S. share is 46.0%). 75.4% 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.

Payroll services firms in San Francisco, CA by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees3960.0%46.0%
5–9 employees1015.4%14.1%
10–19 employees57.7%12.3%
20–49 employees812.3%12.5%
50 or more employees34.6%15.1%

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 payroll services firms in San Francisco, CA use the phone for

Payroll providers work on fixed deadlines, and a client who cannot reach them on payday is a client at risk. Calls about new hires, tax notices and pay corrections need to reach the right specialist quickly.

Calls a payroll and bookkeeping firm in San Francisco, CA might handle in a typical week include:

Business texting for payroll services firms

Firms text payroll cutoff reminders and approval requests.

Because carriers require registration for business texting from local numbers, Callata files a 10DLC registration for a one-time $49; after approval, anyone on the team can reply from the business number.

What a phone system costs a payroll and bookkeeping firm in San Francisco, CA

The average payroll and bookkeeping firm in San Francisco, CA has 18.5 employees, so a 19-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $474.05 a month on Ooma Office Pro or $570.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $2,292 less than RingCentral for a payroll and bookkeeping firm in San Francisco, CA of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 19-person payroll and bookkeeping firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$379.00$4,548.00
Quo (Starter)$19.00 per user$361.00$4,332.00
Nextiva (Core)$23.00 per user$437.00$5,244.00
Ooma (Office Pro)$24.95 per user$474.05$5,688.60
Dialpad (Standard)$27.00 per user$513.00$6,156.00
RingCentral (RingEX Core)$30.00 per user$570.00$6,840.00

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%). A local number lets business clients in San Francisco, CA 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 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.

Setting up Callata for a payroll and bookkeeping firm in San Francisco, CA

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.

Porting a number you already use in San Francisco, CA 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 bank account or Social Security numbers by text.

Frequently asked questions

How many payroll services firms are there in San Francisco, CA?

Census County Business Patterns counted 67 payroll services firms in the San Francisco-Oakland-Fremont, CA metro area in 2023. They employed 1,240 people in mid-March.

What does a business phone system cost for a 19-person payroll and bookkeeping firm?

At month-to-month list prices checked September 28, 2026, 19 users cost $570.00 a month on RingCentral RingEX Core and $474.05 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $379.00.

What area code should a payroll and bookkeeping firm 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 payroll and bookkeeping 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 bank account or Social Security numbers by text.