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 — ZIP/91906

91906

ZIP 91906 is Campo, California, in San Diego County; area codes 619 and 858; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
San Diego
Population
3,325
Coordinates
32.6581, -116.4760
☼ Live from 91906 — Campo, CA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 91906 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.

★ Weird and wonderful facts about 91906
  • 🔢 Type 91906 into a pocket calculator and turn it upside down: gOGIG — not quite a word, sorry.
  • ➕ As a number, 91,906 = 2 × 45953. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011100000010
  • 🏠 Its numerical neighbours: 91905 (Boulevard, CA, 10 mi away) and 91908 (Bonita, CA, 32 mi away).
  • 🔄 Backwards, 91906 becomes 60919 — and that is a real ZIP code: Cabery, IL, 1,656 miles away.
  • 👥 22 other ZIP codes are made of exactly the same digits (01969, 06199, 09169, 09196, 09619, 10969, …). The farthest-flung twin is 09619 in FPO AE, a military post office, 6,467 miles away.
  • 🧭 Farther south than 86% of all ZIP codes, and farther west than 89%.
  • 🎯1,111 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91906 and you would come out at 32.66°S, 63.52°E — 940 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 105.1 square miles of land, 91906 is bigger than 79% of ZIP codes — room for about 80 Central Parks.
🌙 The sky over 91906 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,325This ZIP3,325
Households1,176This ZIP1,176
Housing units1,290This ZIP1,290
Median age46.4This ZIP46.4California37.9US 38.9
Median household income$62,500This ZIP$62,500California$99,122US $80,734
Median home value$327,600This ZIP$327,600California$734,700US $332,700
Median gross rent$2,000This ZIP$2,000California$2,036US $1,413
Bachelor's degree or higher17.8%This ZIP17.8%
Mean commute41.6 minThis ZIP41.6 min
Population density31.6 / sq miThis ZIP31.6 / sq mi

Business and tax activity

Business establishments49This ZIP49
Employees418This ZIP418
Annual payroll$21,100,000This ZIP$21,100,000
Tax returns filed1,700This ZIP1,700
Total adjusted gross income$112,254,000This ZIP$112,254,000

Land area

Land area105.15 sq miThis ZIP105.15 sq mi
Water area0.71 sq miThis ZIP0.71 sq mi

Other place names in 91906

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 91906

ZIPCityDistance
91963 Potrero, CA 7.0 mi
91905 Boulevard, CA 9.9 mi
91980 Tecate, CA 10.4 mi
91987 Tecate, CA 10.4 mi
91962 Pine Valley, CA 13.3 mi
91931 Guatay, CA 13.8 mi
91948 Mount Laguna, CA 14.3 mi
91917 Dulzura, CA 16.2 mi
91935 Jamul, CA 17.6 mi
91901 Alpine, CA 18.1 mi

Find every ZIP code within 10 miles of 91906 →

Questions about this ZIP code

Where is ZIP code 91906?

91906 is in Campo, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.6581, -116.4760.

What county is 91906 in?

91906 lies in San Diego County.

What area code is 91906?

Campo uses area codes 619 and 858, from NANPA's telephone records.

What time zone is 91906 in?

91906 uses America/Los_Angeles.

How many people live in 91906?

About 3,325 people live in ZIP code 91906, in 1,176 households, at 31.6 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 91906?

$62,500 a year, against $99,122 across California.

What ZIP codes are near 91906?

The closest are 91963 (7 mi), 91905 (9.9 mi), 91980 (10.4 mi), 91987 (10.4 mi) and 91962 (13.3 mi).

Is 91906 a PO Box ZIP code?

91906 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “91906 ZIP Code — Campo, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91906

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91906.json

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