Get a local business phone number in Jennings, LA

What area code is Jennings, LA?

With 9,280 residents in the Census 2024 estimate, Jennings sits in Jefferson Davis Parish, Louisiana. All 10 exchanges NANPA lists for its rate center are in area code 337. Jennings is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 337 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Jennings phone exchanges

4 carriers hold the 10 exchanges assigned to Jennings's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 4. 9 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 Jennings

These are the central office codes NANPA records for Jennings. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

What makes a number local to Jennings

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

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

Businesses around Jennings

Jennings is part of the Lake Charles, LA metro area, home to 243,000 people in 2024. County Business Patterns counted 5,463 business establishments in the Lake Charles, LA metro area in 2023, employing 84,232 people. The largest sectors by establishment count are retail trade (895), health care and social assistance (668), and professional, scientific, and technical services (564).

Setting up a Jennings business line

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 Jennings, 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 Lake Charles, LA metro 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.