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Where 92231 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 92231 into a pocket calculator and turn it upside down: IEZZG — not quite a word, sorry.
- ➕ As a number, 92,231 = 149 × 619. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110100001000111 - 🏠 Its numerical neighbours: 92230 (Cabazon, CA, 109 mi away) and 92232 (Calexico, CA, 4 mi away).
- 🔄 Backwards, 92231 becomes 13229, which is not a ZIP code at all.
- 👥 27 other ZIP codes are made of exactly the same digits (12239, 12923, 12932, 21239, 22193, 22931, …). The farthest-flung twin is 12932 in Elizabethtown, NY, 2,376 miles away.
- 🧭 Farther south than 86% of all ZIP codes, and farther west than 89%.
- 🎯1,065 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 92231 and you would come out at 32.69°S, 64.44°E — 965 miles from Port Louis, Mauritius, the nearest big city to that spot.
- ☀Longest day of the year: 14h 18m of daylight. Shortest: 10h 00m.
- 📏 At 68.6 square miles of land, 92231 is bigger than 68% of ZIP codes — room for about 52 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 38,621This ZIP38,621 |
|---|---|
| Households | 10,081This ZIP10,081 |
| Housing units | 12,059This ZIP12,059 |
| Median age | 34.6This ZIP34.6California37.9US 38.9 |
| Median household income | $49,742This ZIP$49,742California$99,122US $80,734 |
| Median home value | $313,400This ZIP$313,400California$734,700US $332,700 |
| Median gross rent | $1,092This ZIP$1,092California$2,036US $1,413 |
| Bachelor's degree or higher | 18.9%This ZIP18.9% |
| Mean commute | 25.8 minThis ZIP25.8 min |
| Population density | 563.4 / sq miThis ZIP563.4 / sq mi |
Business and tax activity
| Business establishments | 641This ZIP641 |
|---|---|
| Employees | 5,669This ZIP5,669 |
| Annual payroll | $231,056,000This ZIP$231,056,000 |
| Tax returns filed | 21,560This ZIP21,560 |
| Total adjusted gross income | $884,579,000This ZIP$884,579,000 |
Land area
| Land area | 68.55 sq miThis ZIP68.55 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 92231
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 92231
| ZIP | City | Distance |
|---|---|---|
92232 | Calexico, CA | 3.9 mi |
92249 | Heber, CA | 5.5 mi |
92243 | El Centro, CA | 6.0 mi |
92244 | El Centro, CA | 10.5 mi |
92273 | Seeley, CA | 11.1 mi |
92251 | Imperial, CA | 15.3 mi |
92259 | Ocotillo, CA | 22.4 mi |
92227 | Brawley, CA | 24.7 mi |
92281 | Westmorland, CA | 25.2 mi |
92250 | Holtville, CA | 26.1 mi |
Find every ZIP code within 10 miles of 92231 →
Questions about this ZIP code
Where is ZIP code 92231?
92231 is in Calexico, California, in Imperial County, part of the El Centro, CA metropolitan area. Its published point location is 32.6876, -115.5644.
What county is 92231 in?
92231 lies in Imperial County.
What area code is 92231?
Calexico uses area codes 442 and 760, from NANPA's telephone records.
What time zone is 92231 in?
92231 uses America/Los_Angeles.
How many people live in 92231?
About 38,621 people live in ZIP code 92231, in 10,081 households, at 563.4 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 92231?
$49,742 a year, against $99,122 across California.
What ZIP codes are near 92231?
The closest are 92232 (3.9 mi), 92249 (5.5 mi), 92243 (6 mi), 92244 (10.5 mi) and 92273 (11.1 mi).
Is 92231 a PO Box ZIP code?
92231 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “92231 ZIP Code — Calexico, California (Imperial County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92231
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/92231.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.