337 area code: location, time zone and numbers
Area code 337 serves Baton Rouge, Louisiana as a US telephone area code and has operated since 1999.
- Location
- Baton Rouge, Louisiana
- Operating since
- 1999
- Local time zone
- Central time
- Overlay
- None: it is the only code for its area
- Calls within the area
- Full 10-digit dialling
- Rate centre locations
- 75
- Expected exhaustion
- 2053
- Code used for the country
- +1 (United States)
Information comes from NANPA public reports, including the area code report and rate-centre report, in the file dated 11/01/2026. The projected exhaust year appears in NANPA projection file 2026-1 from April 2026. We are not an official NANPA site.
Get a number in 337
A 337 number can be obtained in two ways. A new number comes with a provider plan, and at sign-up it is selected from the numbers that provider has in the code. Existing numbers are listed by a seller, often with a pattern, at a one-time price. After that, you move your chosen number to a provider.
Providers ordered by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers offering listed local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. Referral fees never affect the order, which is based on first-year cost. How we earn
Places in the 337 area code
There are 75 rate centres for 337, according to NANPA. Numbers are assigned within each local calling area:
Reeves, Rayne, Ragley, Port Barre, Pine Prairie, Pecan Island, Parks, Opelousas, Oberlin, New Iberia, Merryville, Melville, Mamou, Loreauville, Lake Charles, Leonville, Leesville, Lawtell, Lake Arthur, Lafayette, Lacassine, Krotz Springs, Kinder, Kaplan, Johnsons Bayou, Jennings, Jeanerette, Iowa, Iota, Henderson, Hayes, Hackberry, Gueydan, Grand Chenier, Franklin, Forked Island, Fenton, Eunice, Erath, Elton, Duson, Delcambre, De Ridder, De Quincy, Crowley, Creole, Church Point, Chataignier, Centerville, Cecelia, Carlyss, Carencro, Cankton, Cameron, Broussard, Breaux Bridge, Basile, Baldwin, Arnaudville, Abbeville and 15 more.
Other related area codes
The other area codes used in Louisiana are 504, 318, 225, 985 and 457.
337 area code questions
Which area does 337 cover?
Baton Rouge, Louisiana and the area around Baton Rouge, LA use 337.
What country code does a 337 number use?
+1. Because 337 belongs to the North American Numbering Plan, callers abroad dial +1 337 followed by the 7-digit number.
What time is it in the 337 area code?
Central time applies throughout 337.
Who makes calls using a 337 number?
Calls can come from homes, mobiles and local businesses that have a number in this code. Other callers may also fake a local number. When a 337 number appears on your screen, it shows where it was assigned rather than who is calling.