Business phone system for advertising agencies in Indiana

The advertising agency industry in Indiana

Indiana had 203 advertising agencies in 2023, according to Census County Business Patterns (NAICS 541810, Advertising Agencies). They employed 1,341 people in mid-March and reported $93.5 million in annual payroll. That is the 21st highest count among the 51 states and DC with published figures. Advertising agencies make up 0.13% of the 155,692 business establishments in the state.

Per 100,000 residents (2024 estimate) Indiana has 2.9 advertising agencies, 35.7% below the national rate of 4.6. The average establishment has 6.6 employees against 12.9 nationally. Payroll per employee is $69,697, 34.8% below the U.S. figure of $106,841.

Indiana's largest markets for advertising agencies

Census published advertising agency counts for 13 metro or micropolitan areas that include part of Indiana. The largest is Chicago, IL-IN, with 595 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 72% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Team sizes at advertising agencies in Indiana

69.3% of Indiana's advertising agencies with employees had fewer than five people in March 2023, compared with 68.2% nationally. 80.7% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.

Why the phone matters for advertising agencies in Indiana

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 Indiana as much as anywhere.

Typical inbound and outbound calls for advertising agencies in Indiana:

• A production vendor calls about a shoot.
• A media rep calls about an ad placement.
• A client calls to change a campaign budget.

What advertising agencies text about

Agencies text approvals and schedule changes.

Texting from a local number in Indiana requires carrier registration (10DLC), a one-time $49 fee on Callata.

What a phone system costs an advertising agency in Indiana

Advertising agencies in Indiana average 6.6 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). Callata comes to $139.00 a month for 7 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $852 less than RingCentral for an advertising agency in Indiana of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Area codes in Indiana

Indiana has 8 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so an advertising agency can hold a number in more than one of them.

How Callata works for advertising agencies in Indiana

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 Indiana 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.