Louisiana ZIP Codes: Ranges, Prefixes and Major Cities
Whether you are building an address form, cleaning a mailing list or testing shipping rules, it helps to know how ZIP codes work in Louisiana. The state has 719 active codes spread across 69 parishes.
ZIP code range and prefixes
Every Louisiana ZIP code starts with one of 13 three-digit prefixes. Each prefix points to a sectional center facility, the processing plant that sorts mail for a group of nearby post offices.
- 700
- 701
- 703
- 704
- 705
- 706
- 707
- 708
- 710
- 711
- 712
- 713
- 714
Types of ZIP codes in Louisiana
| Type | Count | What it covers |
|---|---|---|
| Standard | 472 | Street delivery areas |
| PO Box | 215 | Post office boxes only |
| Unique | 32 | A single high-volume organization |
ZIP codes for major Louisiana cities
| City | County | Standard ZIPs | Range |
|---|---|---|---|
| New Orleans | Orleans Parish | 24 | 70112–70170 |
| Baton Rouge | East Baton Rouge Parish | 20 | 70801–70836 |
| Shreveport | Caddo Parish | 12 | 71101–71129 |
| Lake Charles | Calcasieu Parish | 6 | 70601–70629 |
| Lafayette | Lafayette Parish | 5 | 70501–70508 |
| Metairie | Jefferson Parish | 5 | 70001–70006 |
| Alexandria | Rapides Parish | 3 | 71301–71303 |
| Houma | Terrebonne Parish | 3 | 70360–70364 |
| Monroe | Ouachita Parish | 3 | 71201–71203 |
| Slidell | St. Tammany Parish | 3 | 70458–70461 |
| Bossier City | Bossier Parish | 2 | 71111–71112 |
| Covington | St. Tammany Parish | 2 | 70433–70435 |
| Denham Springs | Livingston Parish | 2 | 70706–70726 |
| Gretna | Jefferson Parish | 2 | 70053–70056 |
| Hammond | Tangipahoa Parish | 2 | 70401–70403 |
Baton Rouge is the state capital. Larger cities have many ZIP codes because each code follows mail delivery routes, not city limits.
Sample addresses
Barbara Lopez
7650 Main Ave
New Orleans, LA 70145
Anthony Young
1722 Washington Blvd
Gretna, LA 70053
Elizabeth Reed
1231 Franklin Ave
Alexandria, LA 71301
These examples use real city and ZIP pairs with invented street lines, so they are safe for testing and documentation.
Tips for working with these ZIP codes
- Store ZIP codes as text, not numbers, so the format stays consistent across states with leading zeros.
- All of Louisiana is in the Central time zone, which keeps scheduling logic simple.
- A quick sanity check: a valid LA ZIP code begins with one of the prefixes listed above.
- City names in addresses are post office names. A suburb may share a ZIP code and city name with a nearby larger town.
Create realistic Louisiana addresses for testing, with real cities, counties and ZIP codes.
Generate Louisiana addresses