Baton Rouge

Created in 1998 as a split from 504, area code 225 serves the nine-parish Baton Rouge metropolitan area; its digits 2-2-5 spell C-A-J, a nod to Cajun heritage.

The essentials Numbering data · NumberResearch · as of 2026-09-18

Place

Baton Rouge

Type

geographic

Status

in service

In service since

1998

Projected exhaust

2054 Q3

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 225 is

South-central Louisiana / Baton Rouge metro: nine parishes..

Communities served wholly or partly by 225:

Baton RougeDenham SpringsGonzalesPlaquemineZachary

Covers 26+ municipalities across the nine-parish metro.

B · Relationships

How it relates to other codes

The codes 225 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 1998 504 New Orleans Split from 504; Louisiana's third area code and first new one in 41 years.

What's changing. Single area code; no overlay reported.

C · History

How 225 got here

1998-08-17

Placed in service as a split from area code 504, serving the Baton Rouge region.

Source: Wikipedia

D · Capacity

How full it is

Prefixes assigned

527

Prefixes available

273

Thousands-blocks assigned

2,786

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 225 with another code →

Sources

Wikipedia ↗

Area code 225

NumberResearch.org ↗

Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.