U.S. postal lookup

U.S. ZIP Codes Database 2026

Name: Union Parish
Address: US

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

Union Parish ZIP Codes

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

County	State	ZIP Code	City	Area Codes
Union Parish	LA	71222	Bernice	`318`
Union Parish	LA	71234	Downsville	`318`
Union Parish	LA	71241	Farmerville	`318`
Union Parish	LA	71256	Lillie	`318, 870`
Union Parish	LA	71260	Marion	`318, 870`
Union Parish	LA	71277	Spearsville	`318, 870`

Geographic Map of Union 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.