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/94515

94515

ZIP 94515 is Calistoga, California, mostly in Sonoma County; area code 707; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Sonoma +1 more
Population
6,946
Coordinates
38.6357, -122.6151
☼ Live from 94515 — Calistoga, CA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 94515 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 94515
  • 🔢 Type 94515 into a pocket calculator and turn it upside down: SIShG — not quite a word, sorry.
  • ➕ As a number, 94,515 = 3 × 5 × 6301. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000100110011
  • 🏠 Its numerical neighbours: 94514 (Byron, CA, 77 mi away) and 94516 (Canyon, CA, 61 mi away).
  • 🔄 Backwards, 94515 becomes 51549 — and that is a real ZIP code: Macedonia, IA, 1,444 miles away.
  • 👥 24 other ZIP codes are made of exactly the same digits (14559, 15459, 15549, 15945, 15954, 19455, …). The farthest-flung twin is 19455 in North Wales, PA, 2,499 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther west than 97%.
  • 🎯1,285 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94515 and you would come out at 38.64°S, 57.38°E — 974 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 116.4 square miles of land, 94515 is bigger than 81% of ZIP codes — room for about 88 Central Parks.
🌙 The sky over 94515 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,946This ZIP6,946
Households2,615This ZIP2,615
Housing units3,124This ZIP3,124
Median age48.6This ZIP48.6California37.9US 38.9
Median household income$94,464This ZIP$94,464California$99,122US $80,734
Median home value$824,900This ZIP$824,900California$734,700US $332,700
Median gross rent$1,809This ZIP$1,809California$2,036US $1,413
Bachelor's degree or higher37.0%This ZIP37.0%
Mean commute25.2 minThis ZIP25.2 min
Population density59.7 / sq miThis ZIP59.7 / sq mi

Business and tax activity

Business establishments253This ZIP253
Employees3,101This ZIP3,101
Annual payroll$190,378,000This ZIP$190,378,000
Tax returns filed3,260This ZIP3,260
Total adjusted gross income$415,640,000This ZIP$415,640,000

Land area

Land area116.40 sq miThis ZIP116.40 sq mi
Water area0.16 sq miThis ZIP0.16 sq mi

Counties 94515 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Sonoma County 50.6%
Napa County 49.4%

Other place names in 94515

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

ZIP codes near 94515

ZIPCityDistance
95404 Santa Rosa, CA 8.6 mi
95461 Middletown, CA 8.9 mi
94576 Deer Park, CA 9.6 mi
94508 Angwin, CA 9.8 mi
94567 Pope Valley, CA 11.4 mi
95409 Santa Rosa, CA 11.7 mi
95403 Santa Rosa, CA 11.8 mi
94574 Saint Helena, CA 12.4 mi
95467 Hidden Valley Lake, CA 12.8 mi
95492 Windsor, CA 12.9 mi

Find every ZIP code within 10 miles of 94515 →

Questions about this ZIP code

Where is ZIP code 94515?

94515 is in Calistoga, California, in Sonoma County, part of the Santa Rosa-Petaluma, CA metropolitan area. Its published point location is 38.6357, -122.6151.

What county is 94515 in?

94515 spans 2 counties: Sonoma County and Napa County. Most of it falls in Sonoma County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 94515?

Calistoga uses area code 707, from NANPA's telephone records.

What time zone is 94515 in?

94515 uses America/Los_Angeles.

How many people live in 94515?

About 6,946 people live in ZIP code 94515, in 2,615 households, at 59.7 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 94515?

$94,464 a year, against $99,122 across California.

What ZIP codes are near 94515?

The closest are 95404 (8.6 mi), 95461 (8.9 mi), 94576 (9.6 mi), 94508 (9.8 mi) and 94567 (11.4 mi).

Is 94515 a PO Box ZIP code?

94515 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “94515 ZIP Code — Calistoga, California (Sonoma County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94515

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/94515.json

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