U.S. postal lookup

U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

42,735 verified records
All states and U.S. territories
Maps and coordinates
County directory

Allen Parish ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Allen Parish.

County State ZIP Code City Area Codes
Allen Parish LA 70637 Dry Creek 337
Allen Parish LA 70638 Elizabeth 318
Allen Parish LA 70644 Grant 318, 337
Allen Parish LA 70648 Kinder 318, 337
Allen Parish LA 70651 Leblanc 337
Allen Parish LA 70654 Mittie 318, 337
Allen Parish LA 70655 Oberlin 318, 337
Allen Parish LA 70658 Reeves 337
Allen Parish LA 71463 Oakdale 318, 337

Geographic Map of Allen Parish

Postal context

About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.