CallataGuides

Business phone system for advertising agencies in Boulder, CO

Advertising agencies in the Boulder, CO metro area: 52 establishments in 2023, the local area codes, and what phone service costs a 15-person team.

Establishments
52CBP 2023
Employees
800mid-March 2023
Per 100k residents
15.7U.S. 4.6
Rank
52nd of 351areas by count

Advertising agencies in Boulder, CO by the numbers

The Census Bureau's 2023 County Business Patterns lists 52 establishments classified as Advertising Agencies (NAICS 541810) in the Boulder, CO metro area. They employed 800 people in mid-March and paid $90.6 million in annual payroll. By establishment count the area is 52nd out of 351 areas with published figures for advertising agencies.

Measured against its 330,000 residents (2024 estimate), the area has 15.7 advertising agencies per 100,000 people; the U.S. rate is 4.6, so Boulder, CO is 245.2% above the national figure. The average establishment here has 15.4 employees, compared with 12.9 nationally. Payroll per employee comes to $113,304, 6.0% above the national $106,841.

Advertising agencies: Boulder, CO compared with Colorado and the U.S., 2023
MeasureBoulder, COColoradoUnited States
Establishments5240115,512
Mid-March employees8003,573200,465
Annual payroll$90,643,000$362,822,000$21,417,972,000
Employees per establishment15.48.912.9
Payroll per employee$113,304$101,545$106,841
Establishments per 100,000 residents15.76.74.6

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 Boulder, CO are

Of the advertising agencies in Boulder, CO that had employees in March 2023, 74.5% had fewer than five (the U.S. share is 68.2%). 80.4% 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.

Advertising agencies in Boulder, CO by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees3874.5%68.2%
5–9 employees35.9%12.0%
10–19 employees35.9%8.4%
20–49 employees47.8%6.4%
50 or more employees35.9%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.

Calls an advertising agency in Boulder, CO has to catch

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.

A few of the calls that come in to advertising agencies in Boulder, CO:

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.

Callata vs. per-seat pricing for advertising agencies in Boulder, CO

The average advertising agency in Boulder, CO has 15.4 employees, so a 15-person team is a reasonable benchmark. Priced per seat, 15 users would run $450.00 a month on RingCentral RingEX Core and $374.25 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,812 less than RingCentral for an advertising agency in Boulder, CO of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 15-person advertising agency
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$299.00$3,588.00
Quo (Starter)$19.00 per user$285.00$3,420.00
Nextiva (Core)$23.00 per user$345.00$4,140.00
Ooma (Office Pro)$24.95 per user$374.25$4,491.00
Dialpad (Standard)$27.00 per user$405.00$4,860.00
RingCentral (RingEX Core)$30.00 per user$450.00$5,400.00

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 Boulder, CO

NANPA records place the exchanges of the area's named cities and towns in 3 area codes. 720 has the most, with 39 of 64 exchanges (61%). A local number lets clients in Boulder, CO 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 Boulder, CO area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
72039Mountain1998303, 983
30318Mountain1947720, 983
9837Mountain2022303, 720

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 Boulder, CO 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 Boulder, CO 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 Boulder, CO?

Census County Business Patterns counted 52 advertising agencies in the Boulder, CO metro area in 2023. They employed 800 people in mid-March.

What does a business phone system cost for a 15-person advertising agency?

At month-to-month list prices checked September 28, 2026, 15 users cost $450.00 a month on RingCentral RingEX Core and $374.25 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $299.00.

What area code should an advertising agency in Boulder, CO use?

Area code 720 has the most assigned exchanges among the area's named places, followed by 303 and 983. 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.