Business phone system for offices of certified public accountants in Arizona

The accounting firm industry in Arizona

Arizona had 1,124 offices of certified public accountants in 2023, according to Census County Business Patterns (NAICS 541211, Offices of Certified Public Accountants). They employed 7,649 people in mid-March and reported $626.4 million in annual payroll. That is the 15th highest count among the 51 states and DC with published figures. Offices of certified public accountants make up 0.69% of the 162,845 business establishments in the state.

Per 100,000 residents (2024 estimate) Arizona has 14.8 offices of certified public accountants, 8.4% below the national rate of 16.2. The average establishment has 6.8 employees against 11.0 nationally. Payroll per employee is $81,890, 18.7% below the U.S. figure of $100,691.

Arizona's largest markets for offices of certified public accountants

Census published accounting firm counts for 10 metro or micropolitan areas that include part of Arizona. The largest is Phoenix, AZ, with 811 establishments. Single-state metro and micropolitan areas account for 99% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Team sizes at offices of certified public accountants in Arizona

70.6% of Arizona's offices of certified public accountants with employees had fewer than five people in March 2023, compared with 64.8% nationally. 87.2% had fewer than ten. That is the size of team where a missed call usually means nobody was free, not that nobody was on staff.

Why the phone matters for offices of certified public accountants in Arizona

CPA firms see sharp call peaks around filing deadlines, when the same small staff answers questions from many clients at once. Capturing every call and routing it to the right preparer keeps deadline weeks manageable. That holds for offices of certified public accountants in Arizona as much as anywhere.

A few of the calls that come in to offices of certified public accountants in Arizona:

• A bank calls to verify a client's financial statements.
• A small business owner calls to ask about bookkeeping help.
• A client calls about a notice from a tax agency.

Calls after closing time

During filing season, after-hours voicemails pile up quickly, so transcription and urgency flags help staff work through them.

Callata voicemail is transcribed and triaged for urgency, and business-hours routing decides where calls go once you close.

Phone system pricing for a 7-person accounting firm

Offices of certified public accountants in Arizona average 6.8 employees, so the comparison uses a 7-person team. On a per-user plan that headcount sets the bill: $174.65 a month on Ooma Office Pro or $210.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 7 people cost $139.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $852. Some vendors discount annual contracts; the table shows month-to-month prices.

Area codes in Arizona

Arizona has 5 geographic area codes in service according to NANPA. You can choose local numbers in the area codes your clients know, subject to carrier inventory, or port your current number for free.

How Callata works for offices of certified public accountants in Arizona

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 Arizona, 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.

Avoid sending taxpayer identification numbers or full financial details by text.