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/00965

00965

ZIP 00965 is in Guaynabo, Puerto Rico, in Guaynabo Municipio; area codes 787 and 939; Atlantic time. Guaynabo has 6 ZIP codes; the others are 00966, 00968, 00969, 00970 and 00971.

Type
Standard
Time zone
America/Puerto_Rico
County
Guaynabo
Population
5,848
Coordinates
18.4305, -66.1109
☼ Live from 00965 — Guaynabo, PR

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 00965 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 00965
  • 🔢 Type 00965 into a pocket calculator and turn it upside down: SgGOO — not quite a word, sorry.
  • ➕ As a number, 965 = 5 × 193. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111000101
  • 🏠 Its numerical neighbours: 00963 (Catano, PR, 1 mi away) and 00966 (Guaynabo, PR, 2 mi away).
  • 🔄 Backwards, 00965 becomes 56900, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (00659, 00956, 05069, 05609, 05906, 06059, …). The farthest-flung twin is 09605 in APO AE, a military post office, 5,093 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
  • 🎯2,432 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 00965 and you would come out at 18.43°S, 113.89°E — 682 miles from Denpasar, Indonesia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 14m of daylight. Shortest: 11h 01m.
  • 📏 At 0.905 square miles of land, 00965 is bigger than 7% of ZIP codes — about 438 football fields.
🌙 The sky over 00965 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,848This ZIP5,848
Households2,138This ZIP2,138
Housing units2,688This ZIP2,688
Median age41.7This ZIP41.7Puerto Rico44.8US 38.9
Median household income$19,136This ZIP$19,136Puerto Rico$26,297US $80,734
Median home value$110,100This ZIP$110,100Puerto Rico$131,500US $332,700
Median gross rent$566This ZIP$566Puerto Rico$578US $1,413
Bachelor's degree or higher9.7%This ZIP9.7%
Mean commute21.1 minThis ZIP21.1 min
Population density6,461.9 / sq miThis ZIP6,461.9 / sq mi

Land area

Land area0.91 sq miThis ZIP0.91 sq mi
Water area0.13 sq miThis ZIP0.13 sq mi

Other place names in 00965

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

ZIP codes near 00965

ZIPCityDistance
00963 Catano, PR 0.9 mi
00934 Fort Buchanan, PR 1.3 mi
00920 San Juan, PR 1.4 mi
00962 Catano, PR 1.7 mi
00968 Guaynabo, PR 1.8 mi
00907 San Juan, PR 2.1 mi
00966 Guaynabo, PR 2.3 mi
00960 Bayamon, PR 2.3 mi
00902 San Juan, PR 2.5 mi
00908 San Juan, PR 2.5 mi

Find every ZIP code within 10 miles of 00965 →

Questions about this ZIP code

Where is ZIP code 00965?

00965 is in Guaynabo, Puerto Rico, in Guaynabo Municipio, part of the San Juan-Bayamón-Caguas, PR metropolitan area. Its published point location is 18.4305, -66.1109.

What county is 00965 in?

00965 lies in Guaynabo Municipio.

What area code is 00965?

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

What time zone is 00965 in?

00965 uses America/Puerto_Rico.

How many people live in 00965?

About 5,848 people live in ZIP code 00965, in 2,138 households, at 6,461.9 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 00965?

$19,136 a year, against $26,297 across Puerto Rico.

What ZIP codes are near 00965?

The closest are 00963 (0.9 mi), 00934 (1.3 mi), 00920 (1.4 mi), 00962 (1.7 mi) and 00968 (1.8 mi).

Is 00965 a PO Box ZIP code?

00965 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “00965 ZIP Code — Guaynabo, Puerto Rico (Guaynabo Municipio).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00965

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/00965.json

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