Imperial County, CA ZIP Codes & Directory
Complete postal guide for Imperial County, California. Featuring the official county seat of El Centro, largest municipality El Centro, and serving 9 incorporated municipal entities.
Municipalities Located in Imperial County
Incorporated Cities, Towns, and Villages
Brawley
cityZIPs: 92227
Calexico
cityZIPs: 92231
Calipatria
cityZIPs: 92233
El Centro
cityZIPs: 92243
Heber
cityZIPs: 92249
Holtville
cityZIPs: 92250
Imperial
cityZIPs: 92251
Niland
cityZIPs: 92257
Winterhaven
cityZIPs: 92283
Active USPS ZIP Codes in Imperial County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Imperial County, CA
What is the county seat and largest city in Imperial County? ▾
The official county seat of Imperial County is El Centro, and its largest incorporated municipality by population is El Centro.
How many cities, towns, and villages are in Imperial County? ▾
Imperial County encompasses 9 incorporated municipal entities, including 9 cities, 0 towns, and 0 villages.
What is the total population and land area of Imperial County? ▾
According to official U.S. Census Bureau data, Imperial County has a population of approximately 179,702 residents and spans an area of 4,177 square miles.
How many ZIP codes operate in Imperial County? ▾
There are 9 active USPS ZIP codes serving addresses within Imperial County, California.