94977

ZIP 94977 is in Larkspur, California, in Marin County; area codes 415 and 628; Pacific time. Larkspur has 2 ZIP codes; the other is 94939.

Type: No street area
Time zone: America/Los_Angeles
County: Marin
Metro area: San Francisco-Oakland-Fremont, CA
Coordinates: 37.9341, -122.5353

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 94939, whose figures describe that area — not this ZIP code.

☼ Live from 94977 — Larkspur, CA

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Where 94977 is

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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 94977

🔢 Type 94977 into a pocket calculator and turn it upside down: LLGhG — not quite a word, sorry.
➕ As a number, 94,977 = 3 × 3 × 61 × 173. Its digits add up to 36, a total 149 other ZIP codes share.
💾In binary, the way a computer stores it: 10111001100000001
🏠 Its numerical neighbours: 94976 (Corte Madera, CA, 1 mi away) and 94978 (Fairfax, CA, 5 mi away).
🔄 Backwards, 94977 becomes 77949, which is not a ZIP code at all.
👥 10 other ZIP codes are made of exactly the same digits (47997, 49779, 49797, 77994, 79749, 79947, …). The farthest-flung twin is 99747 in Kaktovik, AK, 2,355 miles away.
🧭 Farther south than 59% of all ZIP codes, and farther west than 97%.
🎯1,291 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 94977 and you would come out at 37.93°S, 57.46°E — 1,011 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 32m.

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Land area

ZIP codes near 94977

ZIP	City	Distance
`94939`	Larkspur, CA	0.3 mi
`94976`	Corte Madera, CA	0.7 mi
`94904`	Greenbrae, CA	1.3 mi
`94925`	Corte Madera, CA	1.5 mi
`94914`	Kentfield, CA	1.7 mi
`94942`	Mill Valley, CA	2.0 mi
`94964`	San Quentin, CA	2.5 mi
`94957`	Ross, CA	2.5 mi
`94912`	San Rafael, CA	2.7 mi
`94913`	San Rafael, CA	2.7 mi

Find every ZIP code within 10 miles of 94977 →

Questions about this ZIP code

Where is ZIP code 94977?

94977 is in Larkspur, California, in Marin County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.9341, -122.5353.

What county is 94977 in?

94977 lies in Marin County.

What area code is 94977?

Larkspur uses area codes 415 and 628, from NANPA's telephone records.

What time zone is 94977 in?

94977 uses America/Los_Angeles.

What ZIP codes are near 94977?

The closest are 94939 (0.3 mi), 94976 (0.7 mi), 94904 (1.3 mi), 94925 (1.5 mi) and 94914 (1.7 mi).

Is 94977 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. “94977 ZIP Code — Larkspur, California (Marin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94977

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/94977.json

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