Get a local business phone number in Marengo, IA

What area code is Marengo, IA?

Marengo city is a Census place in Iowa County, Iowa, with an estimated 2,415 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 319. Marengo is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 319 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Marengo exchanges by carrier

2 carriers hold the 3 exchanges assigned to Marengo's rate center. Windstream Iowa Communications, INC. - North has the most, with 2. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Marengo phone prefixes

These are the central office codes NANPA records for Marengo. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2018. None were assigned in 2020 or later.

What makes a number local to Marengo

What a caller sees as "local" is the area code plus prefix. In Marengo, those come from the MARENGO rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 319 numbers available change over time; porting an existing number is free.

Businesses around Marengo

Marengo is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 83,321 business establishments in Iowa in 2023, employing 1,415,652 people. The largest sectors by establishment count are retail trade (10,970), other services (except public administration) (9,184), and health care and social assistance (9,092).

Business phone service in Marengo

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 Marengo, 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Iowa, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.