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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/91326

91326

ZIP 91326 is Porter Ranch, California, in Los Angeles County; area codes 818 and 747; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
38,428
Coordinates
34.2818, -118.5557
☼ Live from 91326 — Porter Ranch, CA

Weather right now

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Local time: —

Where 91326 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 91326
  • 🔢 Type 91326 into a pocket calculator and turn it upside down: gZEIG — not quite a word, sorry.
  • ➕ As a number, 91,326 = 2 × 3 × 31 × 491. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110010010111110
  • 🏠 Its numerical neighbours: 91325 (Northridge, CA, 4 mi away) and 91327 (Northridge, CA, 4 mi away).
  • 🔄 Backwards, 91326 becomes 62319 — and that is a real ZIP code: Camden, IL, 1,577 miles away.
  • 👥 44 other ZIP codes are made of exactly the same digits (12936, 13692, 16239, 16329, 16923, 16932, …). The farthest-flung twin is 96321 in FPO AA, a military post office, 6,012 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 92%.
  • 🎯1,163 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91326 and you would come out at 34.28°S, 61.44°E — 995 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
  • 📏 At 8.1 square miles of land, 91326 is bigger than 24% of ZIP codes — room for about 6.1 Central Parks.
🌙 The sky over 91326 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population38,428This ZIP38,428
Households13,394This ZIP13,394
Housing units14,041This ZIP14,041
Median age43.6This ZIP43.6California37.9US 38.9
Median household income$148,281This ZIP$148,281California$99,122US $80,734
Median home value$1,106,000This ZIP$1,106,000California$734,700US $332,700
Median gross rent$3,145This ZIP$3,145California$2,036US $1,413
Bachelor's degree or higher59.2%This ZIP59.2%
Mean commute31.8 minThis ZIP31.8 min
Population density4,744.2 / sq miThis ZIP4,744.2 / sq mi

Business and tax activity

Business establishments800This ZIP800
Employees6,272This ZIP6,272
Annual payroll$268,486,000This ZIP$268,486,000
Tax returns filed18,350This ZIP18,350
Total adjusted gross income$2,728,917,000This ZIP$2,728,917,000

Land area

Land area8.10 sq miThis ZIP8.10 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 91326

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

ZIP codes near 91326

ZIPCityDistance
91394 Granada Hills, CA 2.2 mi
91311 Chatsworth, CA 2.8 mi
91344 Granada Hills, CA 3.0 mi
91324 Northridge, CA 3.0 mi
91330 Northridge, CA 3.1 mi
91313 Chatsworth, CA 3.1 mi
91325 Northridge, CA 3.7 mi
91327 Northridge, CA 3.8 mi
91328 Northridge, CA 3.8 mi
91329 Northridge, CA 3.8 mi

Find every ZIP code within 10 miles of 91326 →

Questions about this ZIP code

Where is ZIP code 91326?

91326 is in Porter Ranch, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.2818, -118.5557.

What county is 91326 in?

91326 lies in Los Angeles County.

What area code is 91326?

Porter Ranch uses area codes 818 and 747, from NANPA's telephone records.

What time zone is 91326 in?

91326 uses America/Los_Angeles.

How many people live in 91326?

About 38,428 people live in ZIP code 91326, in 13,394 households, at 4,744.2 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 91326?

$148,281 a year, against $99,122 across California.

What ZIP codes are near 91326?

The closest are 91394 (2.2 mi), 91311 (2.8 mi), 91344 (3 mi), 91324 (3 mi) and 91330 (3.1 mi).

Is 91326 a PO Box ZIP code?

91326 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “91326 ZIP Code — Porter Ranch, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91326

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