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zipcodes.pro — ZIP/00685

00685

ZIP 00685 is San Sebastian, Puerto Rico, mostly in San Sebastián Municipio; area codes 787 and 939; Atlantic time.

Type
Standard
Time zone
America/Puerto_Rico
County
San Sebastián +2 more
Metro area
Aguadilla, PR
Population
39,988
Coordinates
18.3369, -66.9729
☼ Live from 00685 — San Sebastian, PR

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Where 00685 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 00685
  • 🔢 Type 00685 into a pocket calculator and turn it upside down: SBgOO — not quite a word, sorry.
  • ➕ As a number, 685 = 5 × 137. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010101101
  • 🏠 Its numerical neighbours: 00683 (San German, PR, 16 mi away) and 00687 (Morovis, PR, 36 mi away).
  • 🔄 Backwards, 00685 becomes 58600, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (05068, 05086, 05680, 05860, 06058, 06085, …). The farthest-flung twin is 85060 in Phoenix, AZ, 2,965 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
  • 🎯2,396 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 00685 and you would come out at 18.34°S, 113.03°E — 685 miles from Denpasar, Indonesia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 14m of daylight. Shortest: 11h 02m.
  • 📏 At 78.7 square miles of land, 00685 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
🌙 The sky over 00685 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population39,988This ZIP39,988
Households14,790This ZIP14,790
Housing units19,442This ZIP19,442
Median age46.3This ZIP46.3Puerto Rico44.8US 38.9
Median household income$20,310This ZIP$20,310Puerto Rico$26,297US $80,734
Median home value$115,700This ZIP$115,700Puerto Rico$131,500US $332,700
Median gross rent$502This ZIP$502Puerto Rico$578US $1,413
Bachelor's degree or higher21.7%This ZIP21.7%
Mean commute26.2 minThis ZIP26.2 min
Population density508.1 / sq miThis ZIP508.1 / sq mi

Land area

Land area78.69 sq miThis ZIP78.69 sq mi
Water area0.44 sq miThis ZIP0.44 sq mi

Counties 00685 spans

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

CountyShare of this ZIP
San Sebastián Municipio 87.7%
Isabela Municipio 11.4%
Moca Municipio 1.0%

Other place names in 00685

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

ZIP codes near 00685

ZIPCityDistance
00678 Quebradillas, PR 7.0 mi
00670 Las Marias, PR 7.2 mi
00676 Moca, PR 7.7 mi
00669 Lares, PR 7.9 mi
00627 Camuy, PR 8.9 mi
00662 Isabela, PR 9.5 mi
00610 Anasco, PR 10.4 mi
00611 Angeles, PR 11.7 mi
00659 Hatillo, PR 11.8 mi
00606 Maricao, PR 12.6 mi

Find every ZIP code within 10 miles of 00685 →

Questions about this ZIP code

Where is ZIP code 00685?

00685 is in San Sebastian, Puerto Rico, in San Sebastián Municipio, part of the Aguadilla, PR metropolitan area. Its published point location is 18.3369, -66.9729.

What county is 00685 in?

00685 spans 3 counties: San Sebastián Municipio, Isabela Municipio and Moca Municipio. Most of it falls in San Sebastián Municipio, 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 00685?

San Sebastian uses area codes 787 and 939, from NANPA's telephone records.

What time zone is 00685 in?

00685 uses America/Puerto_Rico.

How many people live in 00685?

About 39,988 people live in ZIP code 00685, in 14,790 households, at 508.1 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 00685?

$20,310 a year, against $26,297 across Puerto Rico.

What ZIP codes are near 00685?

The closest are 00678 (7 mi), 00670 (7.2 mi), 00676 (7.7 mi), 00669 (7.9 mi) and 00627 (8.9 mi).

Is 00685 a PO Box ZIP code?

00685 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “00685 ZIP Code — San Sebastian, Puerto Rico (San Sebastián Municipio).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00685

Machine-readable version of these facts:

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