Grand Coteau Louisiana ZIP Codes
Grand Coteau holds a single ZIP code.
Every ZIP code in Grand Coteau
| ZIP code | Parish |
|---|---|
| 70541 | St. Landry Parish |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Grand Coteau codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Grand Coteau. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Grand Coteau ZIP code begins 705. Those first three digits identify the sectional center facility that processes mail for this part of Louisiana. Statewide that range covers 75 ZIP codes, so Grand Coteau accounts for 1% of it.
Every Louisiana ZIP prefix and the region it covers →
Area codes covering Grand Coteau
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Grand Coteau occupies.
Grand Coteau Louisiana area codes in full →
Where Grand Coteau's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Grand Coteau
| City | Distance | ZIP codes |
|---|---|---|
| Sunset Louisiana ZIP codes | 1.5 mi | 1 ZIP code |
| Leonville Louisiana ZIP codes | 4.6 mi | 1 ZIP code |
| Arnaudville Louisiana ZIP codes | 6.8 mi | 1 ZIP code |
| Carencro Louisiana ZIP codes | 7.4 mi | 1 ZIP code |
| Opelousas Louisiana ZIP codes | 7.6 mi | 2 ZIP codes |
| Church Point Louisiana ZIP codes | 10 mi | 1 ZIP code |
| Port Barre Louisiana ZIP codes | 11 mi | 1 ZIP code |
| Breaux Bridge Louisiana ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.