Get a local business phone number in Plymouth, IN

Area codes in Plymouth

With 11,042 residents in the Census 2024 estimate, Plymouth sits in Marshall County, Indiana. All 16 exchanges NANPA lists for its rate center are in area code 574. Plymouth is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 574 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Plymouth

12 carriers hold the 16 exchanges assigned to Plymouth's rate center. Brightspeed of Indiana, LLC has the most, with 4. 12 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.

Local prefixes for Plymouth

These are the central office codes NANPA records for Plymouth. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 16 were assigned in 2020 or later.

When Plymouth's exchanges were assigned

The table groups Plymouth's exchanges by the decade NANPA recorded them as assigned.

What makes a number local to Plymouth

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

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

The local business market

Plymouth is part of the Plymouth, IN micropolitan area, home to 46,464 people in 2024. County Business Patterns counted 1,108 business establishments in the Plymouth, IN micropolitan area in 2023, employing 18,275 people. The largest sectors by establishment count are retail trade (159), other services (except public administration) (144), and manufacturing (133).

Business phone service in Plymouth

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.

Porting a number you already use in Plymouth 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 16-person team is the benchmark here, the rounded average establishment size in the Plymouth, IN micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $480.00 a month and Ooma Office Pro $399.20. Callata comes to $319.00 a month for 16 users ($99 a month with 5 users included, then $20 per additional user), below both.