Get a local business phone number in Marshall, MO

What area code is Marshall, MO?

With 13,791 residents in the Census 2024 estimate, Marshall sits in Saline County, Missouri. All 9 exchanges NANPA lists for its rate center are in area code 660. Marshall is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 660 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Marshall exchanges by carrier

5 carriers hold the 9 exchanges assigned to Marshall's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 3. 9 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.

Marshall phone prefixes

These are the central office codes NANPA records for Marshall. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 9 were assigned in 2020 or later.

When Marshall's exchanges were assigned

Assignment dates show when each block of Marshall numbers was added to the local supply.

Rate centers and local calling in Marshall

NANPA ties every exchange to a rate center. For Marshall that is MARSHALL, so a number from one of these exchanges reads as local to people in and around Marshall.

Keeping an existing Marshall number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 660 when you pick it.

Who does business near Marshall

Marshall is part of the Marshall, MO micropolitan area, home to 23,325 people in 2024. County Business Patterns counted 451 business establishments in the Marshall, MO micropolitan area in 2023, employing 6,906 people. The largest sectors by establishment count are retail trade (72), other services (except public administration) (58), and health care and social assistance (56).

A Marshall number on Callata

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 Marshall, 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.

The comparison below uses 15 users, the rounded average establishment size in the Marshall, MO micropolitan area. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.