CallataGuidesBusiness phone system for advertising agencies in Oxnard, CA
Advertising agencies in the Oxnard-Thousand Oaks-Ventura, CA metro area: 38 establishments in 2023, the local area codes, and what phone service costs a 5-person team.
- Establishments
- 38CBP 2023
- Employees
- 181mid-March 2023
- Per 100k residents
- 4.5U.S. 4.6
- Rank
- 66th of 351areas by count
How many advertising agencies are in Oxnard, CA?
The Census Bureau's 2023 County Business Patterns lists 38 establishments classified as Advertising Agencies (NAICS 541810) in the Oxnard-Thousand Oaks-Ventura, CA metro area. Together they reported 181 mid-March employees and $11.2 million of payroll for the year. That ranks 66th of the 351 metro and micropolitan areas where Census published a count for this industry.
With 835,000 residents in the Census 2024 estimate, that is 4.5 advertising agencies per 100,000 people, in line with the national rate of 4.6. Establishments average 4.8 employees, 63.1% below the U.S. average of 12.9. Payroll per employee comes to $61,735, 42.2% below the national $106,841.
| Measure | Oxnard, CA | California | United States |
|---|---|---|---|
| Establishments | 38 | 2,462 | 15,512 |
| Mid-March employees | 181 (moderate noise) | 32,122 | 200,465 |
| Annual payroll | $11,174,000 | $3,785,687,000 | $21,417,972,000 |
| Employees per establishment | 4.8 | 13.0 | 12.9 |
| Payroll per employee | $61,735 | $117,853 | $106,841 |
| Establishments per 100,000 residents | 4.5 | 6.2 | 4.6 |
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 advertising agencies in Oxnard, CA
Of the advertising agencies in Oxnard, CA that had employees in March 2023, 80.6% had fewer than five (the U.S. share is 68.2%). 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 | 29 | 80.6% | 68.2% |
| 5–9 employees | not published | — | 12.0% |
| 10–19 employees | 4 | 11.1% | 8.4% |
| 20–49 employees | 3 | 8.3% | 6.4% |
| 50 or more employees | 0 | 0.0% | 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.
Why the phone matters for advertising agencies in Oxnard, CA
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. That holds for advertising agencies in Oxnard, CA as much as anywhere.
A few of the calls that come in to advertising agencies in Oxnard, CA:
- A client calls to change a campaign budget.
- A media rep calls about an ad placement.
- The agency calls a client to review creative.
When nobody can pick up
Launch-day issues can be urgent; otherwise after-hours calls can wait.
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.
Phone system pricing for a 5-person advertising agency
The average advertising agency in Oxnard, CA has 4.8 employees, so a 5-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, 5 users on RingCentral RingEX Core cost $150.00 a month and 5 on Ooma Office Pro cost $124.75. On Callata the same 5 people cost $99.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $612. 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 | $99.00 | $1,188.00 |
| Quo (Starter) | $19.00 per user | $95.00 | $1,140.00 |
| Nextiva (Core) | $23.00 per user | $115.00 | $1,380.00 |
| Ooma (Office Pro) | $24.95 per user | $124.75 | $1,497.00 |
| Dialpad (Standard) | $27.00 per user | $135.00 | $1,620.00 |
| RingCentral (RingEX Core) | $30.00 per user | $150.00 | $1,800.00 |
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 Oxnard, CA
NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 805 has the most, with 268 of 297 exchanges (90%). 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 |
|---|---|---|---|---|
| 805 | 268 | Pacific | 1957 | 820 |
| 820 | 29 | Pacific | 2018 | 805 |
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 Oxnard, 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 Oxnard, 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 advertising agencies are there in Oxnard, CA?
Census County Business Patterns counted 38 advertising agencies in the Oxnard-Thousand Oaks-Ventura, CA metro area in 2023. They employed 181 people in mid-March.
What does a business phone system cost for a 5-person advertising agency?
At month-to-month list prices checked September 28, 2026, 5 users cost $150.00 a month on RingCentral RingEX Core and $124.75 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $99.00.
What area code should an advertising agency in Oxnard, CA use?
Area code 805 has the most assigned exchanges among the area's named places, followed by 820. 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.