CallataGuides

Business phone system for advertising agencies in Santa Rosa, CA

Advertising agencies in the Santa Rosa-Petaluma, CA metro area: 15 establishments in 2023, the local area codes, and what phone service costs a 13-person team.

Establishments
15CBP 2023
Per 100k residents
3.1U.S. 4.6
Rank
139th of 351areas by count

Advertising agencies in Santa Rosa, CA by the numbers

There were 15 advertising agencies in the Santa Rosa-Petaluma, CA metro area in 2023, according to Census County Business Patterns (NAICS 541810, Advertising Agencies). By establishment count the area is 139th out of 351 areas with published figures for advertising agencies.

Measured against its 485,000 residents (2024 estimate), the area has 3.1 advertising agencies per 100,000 people; the U.S. rate is 4.6, so Santa Rosa, CA is 32.2% below the national figure.

Advertising agencies: Santa Rosa, CA compared with California and the U.S., 2023
MeasureSanta Rosa, CACaliforniaUnited States
Establishments152,46215,512
Mid-March employees27 (high noise)32,122200,465
Annual payroll$1,840,000$3,785,687,000$21,417,972,000
Employees per establishment—13.012.9
Payroll per employee—$117,853$106,841
Establishments per 100,000 residents3.16.24.6

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.

How big advertising agencies in Santa Rosa, CA are

Of the advertising agencies in Santa Rosa, CA that had employees in March 2023, 100.0% had fewer than five (the U.S. share is 68.2%). 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.

Advertising agencies in Santa Rosa, CA by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees13100.0%68.2%
5–9 employeesnot published—12.0%
10–19 employeesnot published—8.4%
20–49 employeesnot published—6.4%
50 or more employees00.0%5.0%

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 advertising agencies in Santa Rosa, CA use the phone for

Agencies manage many client relationships at once, and clients expect to reach their account team quickly. Recording and summarizing calls helps teams keep track of approvals and requests.

Calls an advertising agency in Santa Rosa, CA might handle in a typical week include:

What advertising agencies text about

Agencies text approvals and schedule changes.

Team texting on Callata runs from your business number, so replies come from the practice or shop rather than someone's personal phone. It turns on after the one-time $49 carrier registration (10DLC) is approved.

Phone system pricing for a 13-person advertising agency

Census did not publish a reliable employee count for advertising agencies in Santa Rosa, CA, so this comparison uses the U.S. average of 13 people per establishment. Priced per seat, 13 users would run $390.00 a month on RingCentral RingEX Core and $324.35 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,572 less than RingCentral for an advertising agency in Santa Rosa, CA of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 13-person advertising agency
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$259.00$3,108.00
Quo (Starter)$19.00 per user$247.00$2,964.00
Nextiva (Core)$23.00 per user$299.00$3,588.00
Ooma (Office Pro)$24.95 per user$324.35$3,892.20
Dialpad (Standard)$27.00 per user$351.00$4,212.00
RingCentral (RingEX Core)$30.00 per user$390.00$4,680.00

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 Santa Rosa, CA

NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 707 has the most, with 193 of 208 exchanges (93%). A local number lets clients in Santa Rosa, 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 Santa Rosa, CA area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
707193Pacific1959369
36915Pacific2023707

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 advertising agencies in Santa Rosa, 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.

Porting a number you already use in Santa Rosa, 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.

Frequently asked questions

How many advertising agencies are there in Santa Rosa, CA?

Census County Business Patterns counted 15 advertising agencies in the Santa Rosa-Petaluma, CA metro area in 2023.

What does a business phone system cost for a 13-person advertising agency?

At month-to-month list prices checked September 28, 2026, 13 users cost $390.00 a month on RingCentral RingEX Core and $324.35 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $259.00.

What area code should an advertising agency in Santa Rosa, CA use?

Area code 707 has the most assigned exchanges among the area's named places, followed by 369. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for an advertising agency?

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.