Louisiana
(225) Area Code 225 — Baton Rouge, Louisiana
225 Area Code – Baton Rouge, Louisiana: Location, Time Zone & History
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Map of Area Code 225
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History & Cultural Notes
Louisiana's capital region got its own dialing identity on August 17, 1998, when the numbering plan area now known as area code 225 was split off from area code 504. It was the state's third area code and its first new one in 41 years, created to serve the Baton Rouge metropolitan area and the surrounding parishes as growth in the region pushed the existing supply of numbers toward exhaustion.
The territory covered by 225 anchors a diversified regional economy built around Louisiana's state government, higher education and research institutions, and a substantial healthcare sector, alongside long-established petrochemical and oil refining operations along the Mississippi River corridor. Agriculture remains part of the economic base in the parishes surrounding Baton Rouge. Taken together, the mix reflects both the administrative role of the state capital and the industrial character of the river corridor:
- State government and public administration
- Petrochemical and oil refining
- Higher education and research
- Healthcare
- Agriculture
Beyond Baton Rouge, the numbering plan area reaches smaller communities including Prairieville, Zachary, Gonzales, Denham Springs, and Plaquemine. Locally, the digits are sometimes noted for spelling "CAJ" on a telephone keypad, read as a nod to the region's Cajun heritage, and a regional business and lifestyle magazine covering the area takes its name, "225," directly from the code.