Get a local business phone number in Monroe, LA

What area code is Monroe, LA?

With 46,622 residents in the Census 2024 estimate, Monroe sits in Ouachita Parish, Louisiana. All 91 exchanges NANPA lists for its rate center are in area code 318. 318 is part of an overlay with 457, so a new local number in Monroe may carry any of those codes depending on which have numbers available. Monroe is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 318 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Monroe phone exchanges

16 carriers hold the 91 exchanges assigned to Monroe's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 24. 62 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 Monroe

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Monroe. The earliest assignment date recorded in the file for these codes is 2001. 14 of the 91 were assigned in 2020 or later.

When Monroe's exchanges were assigned

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

Rate centers and local calling in Monroe

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

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

Who does business near Monroe

Monroe is part of the Monroe, LA metro area, home to 222,000 people in 2024. County Business Patterns counted 5,399 business establishments in the Monroe, LA metro area in 2023, employing 74,718 people. The largest sectors by establishment count are health care and social assistance (846), retail trade (843), and other services (except public administration) (548).

Setting up a Monroe business line

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.

If you already have a number in Monroe, 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.

A 14-person team is the benchmark here, the rounded average establishment size in the Monroe, LA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $420.00 a month and Ooma Office Pro $349.30. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.