How many area codes does Louisiana have?

Louisiana has 5 active geographic area codes in the North American Numbering Plan: 225, 318, 337, 504, 985. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in Louisiana?

The oldest area code in Louisiana is 318, assigned in 1947. It serves Shreveport and the Northern Louisiana region. 318 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a Louisiana phone number from anywhere?

Yes. DialPhone virtual phone numbers are not tied to a physical location. You can get a Louisiana area code number and use it from any device — desktop, mobile, or browser — anywhere with an internet connection. This makes Louisiana numbers ideal for remote teams, distributed businesses, and sales teams targeting Louisiana customers.

How much does a Louisiana area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of Louisiana area code number, unlimited US and Canada calling, business SMS, AI call captions, and a free 14-day trial — no credit card required. See the DialPhone pricing page for current tier details.

Can I port my existing Louisiana number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing Louisiana area code numbers. Porting typically completes in 2 to 5 business days with zero service interruption. See the complete number porting guide for step-by-step instructions.

What time zones are used in Louisiana?

Louisiana area codes span the CT time zone. When scheduling calls with Louisiana customers, verify the specific area code's time zone to avoid calling outside business hours.

Area Codes in Louisiana — Local Business Phone Numbers

Quick answer

Louisiana has 5 active geographic area codes covering New Orleans, Baton Rouge, Shreveport. The most-recognized codes are 504, 318, 337, serving New Orleans and the Greater New Orleans region.

Total codes: 5
Top metro: New Orleans
Time zone: CT
Largest code: 504 (New Orleans)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in Louisiana

Louisiana is served by 5 active geographic area codes in the North American Numbering Plan. These codes were assigned between 1947 and 2001 as population and call demand grew across the state.

Code	Primary City	Region	Established	Overlay Codes	Population
225	Baton Rouge	Greater Baton Rouge	2001	—	900,000
318	Shreveport	Northern Louisiana	1947	457	700,000
337	Lafayette	Southwestern Louisiana	1999	—	700,000
504	New Orleans	Greater New Orleans	1947	—	1,300,000
985	Slidell	Southeast Louisiana	2001	—	700,000

Time zones in Louisiana

All area codes in Louisiana fall in the CT time zone.

CT — area codes: 225, 318, 337, 504, 985

Top metros and their area codes

Below are the primary cities in Louisiana and the area codes that serve each metro. Cities with multiple codes share geography due to overlay assignments added as demand grew.

Baton Rouge — 225
Lafayette — 337
New Orleans — 504
Shreveport — 318
Slidell — 985

Why get a local Louisiana number?

A Louisiana area code number gives your business three core advantages:

Local trust signal. Customers in Louisiana recognize local area codes as their own. A familiar caller ID builds immediate credibility for service businesses, sales teams, and patient communication.
Higher answer rate. Calls from a local area code are answered far more often than toll-free or out-of-area numbers — industry data puts the lift at 20–40%. That difference matters most for outbound sales, appointment confirmations, and service callbacks.
Targeted marketing. Advertising a local Louisiana number on print, radio, digital, and outdoor channels converts better than a national 800 number for audiences who prefer doing business locally.

How to get a Louisiana area code number with DialPhone

Setting up a Louisiana business number takes under 10 minutes:

Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
Search available Louisiana numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new Louisiana number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a Louisiana number? Free number porting completes in 2 to 5 business days with zero service interruption.