Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/CA/COUNTY/IMPERIAL

Imperial County, CA ZIP codes

There are 18 ZIP codes in Imperial County, CA, in 16 towns, from 92222 to 92331. The largest are 92243 (El Centro), 92231 (Calexico) and 92227 (Brawley). 1 more crosses into it from a neighbouring county: 92004.

The county seat is El Centro.

ZIP codes
18
Partly in it
1 more
Towns
16
County seat
El Centro
County FIPS
06025
Population
180,202
Median household income
$57,681
Land area
4,176 sq mi
Area codes
442, 760, 840, 909
Metro area
El Centro

Imperial County ZIP codes by town

El Centro (county seat)
92243, 92244

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Imperial County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Imperial County.

Map of Imperial County ZIP codes

922229222792231922329223392243922449224992250922519225792259922669227392275922819228392331

The ZIP codes of Imperial County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Imperial County in numbers

About 180,202 people live in Imperial County, in 49,644 households, the 31st most populous of California's 58 counties. The median household income is $57,681 a year, 42% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $309,600 (58% below the California median), and median gross rent is $1,056 a month. The median age is 33.2; 16.1% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 22 minutes.

Population180,202Imperial180,202
Households49,644Imperial49,644
Median age33.2Imperial33.2California37.9US 38.9
Median household income$57,681Imperial$57,681California$99,122US $80,734
Median home value$309,600Imperial$309,600California$734,700US $332,700
Median gross rent$1,056Imperial$1,056California$2,036US $1,413
Bachelor's degree or higher16.1%Imperial16.1%California37.1%US 35.7%
Mean commute22.1 minImperial22.1 minCalifornia28.7 minUS 26.4 min
Population density43 / sq miImperial43 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Imperial County

Largest towns in Imperial County
TownZIP codesPopulation
Fontana 1 214,169
El Centro 2 44,240
Calexico 2 38,585
Brawley 1 27,283
Imperial 1 21,430
Heber 1 7,312
Calipatria 1 6,548
Salton City 1 5,988
Holtville 1 5,617
Westmorland 1 1,844
Seeley 1 1,182
Niland 1 1,116
Winterhaven 1 234
Ocotillo 1 118
Palo Verde 1 75

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Imperial County.

Not sure you are in Imperial County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Imperial County, with figures

ZIP codes in Imperial County
ZIP City Type Population Median income Median home
92222 Bard , CA Standard 0 — —
92227 Brawley , CA Standard 28,315 $59,362 $291,500
92231 Calexico , CA Standard 38,621 $49,742 $313,400
92232 Calexico , CA No street area — — —
92233 Calipatria , CA Standard 6,836 $53,778 $203,400
92243 El Centro , CA Standard 49,069 $55,057 $317,900
92244 El Centro , CA No street area — — —
92249 Heber , CA Standard 7,312 $72,028 $335,600
92250 Holtville , CA Standard 7,830 $72,143 $324,400
92251 Imperial , CA Standard 27,454 $90,709 $368,700
92257 Niland , CA Standard 2,158 $22,611 $102,200
92259 Ocotillo , CA Standard 198 $43,500 $159,200
92266 Palo Verde , CA Standard 99 — —
92273 Seeley , CA Standard 1,090 $62,051 $205,600
92275 Salton City , CA Standard 1,219 — $160,700
92281 Westmorland , CA Standard 2,082 $29,375 $303,700
92283 Winterhaven , CA Standard 1,732 $43,393 $94,200
92331 Fontana , CA No street area — — —

Cite this page

zipcodes.pro. “Imperial County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ca/county/imperial

Underlying data is public domain or openly licensed — sources, vintages and licences.