Get a local business phone number in Ironton, MO

Ironton area codes

Ironton, in Iron County, Missouri, had a Census-estimated population of 1,443 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 573. 573 is part of an overlay with 235, so a new local number in Ironton may carry any of those codes depending on which have numbers available. Ironton is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 573 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Ironton exchanges by carrier

2 carriers hold the 3 exchanges assigned to Ironton's rate center. Onvoy, LLC - Mo has the most, with 2. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Exchanges (NPA-NXX) assigned in Ironton

These are the central office codes NANPA records for Ironton. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2021. 1 of the 3 were assigned in 2020 or later.

What makes a number local to Ironton

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Ironton's numbers are rated to the IRONTON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Ironton number.

If your business already has a Ironton number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

The local business market

Ironton is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 151,475 business establishments in Missouri in 2023, employing 2,631,543 people. The largest sectors by establishment count are health care and social assistance (20,637), retail trade (19,971), and other services (except public administration) (15,950).

Business phone service in Ironton

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in Ironton 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.

A 17-person team is the benchmark here, the rounded average establishment size in Missouri. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.