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/91319

91319

ZIP 91319 is in Newbury Park, California, in Ventura County; area codes 805 and 820; Pacific time. Newbury Park has 2 ZIP codes; the other is 91320.

Type
No street area
Time zone
America/Los_Angeles
County
Ventura
Coordinates
34.1842, -118.9107

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 91320, whose figures describe that area — not this ZIP code.

☼ Live from 91319 — Newbury Park, CA

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Where 91319 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 91319
  • 🔢 Type 91319 into a pocket calculator and turn it upside down: GIEIG — not quite a word, sorry.
  • ⇆91319 reads the same backwards. It is one of only 412 palindromic ZIP codes.
  • ➕ As a number, 91,319 = 53 × 1723. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110010010110111
  • 🏠 Its numerical neighbours: 91316 (Encino, CA, 23 mi away) and 91320 (Newbury Park, CA, 2 mi away).
  • 👥 11 other ZIP codes are made of exactly the same digits (11939, 19139, 19193, 19319, 19931, 39119, …). The farthest-flung twin is 11939 in East Marion, NY, 2,562 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 92%.
  • 🎯1,184 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91319 and you would come out at 34.18°S, 61.09°E — 981 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 26m of daylight. Shortest: 9h 52m.
🌙 The sky over 91319 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees79This ZIP79
Annual payroll$9,374,000This ZIP$9,374,000

Land area

ZIP codes near 91319

ZIPCityDistance
91320 Newbury Park, CA 2.3 mi
91360 Thousand Oaks, CA 2.9 mi
91361 Westlake Village, CA 3.6 mi
91358 Thousand Oaks, CA 4.3 mi
93012 Camarillo, CA 4.8 mi
91362 Thousand Oaks, CA 5.2 mi
91359 Westlake Village, CA 6.6 mi
93020 Moorpark, CA 7.2 mi
93011 Camarillo, CA 7.6 mi
91377 Oak Park, CA 8.2 mi

Find every ZIP code within 10 miles of 91319 →

Questions about this ZIP code

Where is ZIP code 91319?

91319 is in Newbury Park, California, in Ventura County, part of the Oxnard-Thousand Oaks-Ventura, CA metropolitan area. Its published point location is 34.1842, -118.9107.

What county is 91319 in?

91319 lies in Ventura County.

What area code is 91319?

Newbury Park uses area codes 805 and 820, from NANPA's telephone records.

What time zone is 91319 in?

91319 uses America/Los_Angeles.

What ZIP codes are near 91319?

The closest are 91320 (2.3 mi), 91360 (2.9 mi), 91361 (3.6 mi), 91358 (4.3 mi) and 93012 (4.8 mi).

Is 91319 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “91319 ZIP Code — Newbury Park, California (Ventura County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91319

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91319.json

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