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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/00951

00951

ZIP 00951 is in Toa Baja, Puerto Rico, in Toa Baja Municipio; area codes 787 and 939; Atlantic time. Toa Baja has 3 ZIP codes; the others are 00949 and 00950.

Type
Standard
Time zone
America/Puerto_Rico
County
Toa Baja
Population
389
Coordinates
18.4280, -66.2598
☼ Live from 00951 — Toa Baja, PR

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Local time: —

Where 00951 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 00951
  • 🔢 Type 00951 into a pocket calculator and turn it upside down: ISGOO — not quite a word, sorry.
  • ➕ As a number, 951 = 3 × 317. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110110111
  • 🏠 Its numerical neighbours: 00950 (Toa Baja, PR, 3 mi away) and 00952 (Sabana Seca, PR, 5 mi away).
  • 🔄 Backwards, 00951 becomes 15900, which is not a ZIP code at all.
  • 👥 25 other ZIP codes are made of exactly the same digits (00915, 01059, 01095, 01509, 01590, 01905, …). The farthest-flung twin is 95010 in Capitola, CA, 3,585 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
  • 🎯2,425 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 00951 and you would come out at 18.43°S, 113.74°E — 683 miles from Denpasar, Indonesia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 14m of daylight. Shortest: 11h 01m.
  • 📏 At 1.1 square miles of land, 00951 is bigger than 8% of ZIP codes — about 518 football fields.
🌙 The sky over 00951 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population389This ZIP389
Households193This ZIP193
Housing units302This ZIP302
Median age41.9This ZIP41.9Puerto Rico44.8US 38.9
Median household income$22,669This ZIP$22,669Puerto Rico$26,297US $80,734
Median home value$80,000This ZIP$80,000Puerto Rico$131,500US $332,700
Median gross rent$519This ZIP$519Puerto Rico$578US $1,413
Bachelor's degree or higher18.6%This ZIP18.6%
Population density363.2 / sq miThis ZIP363.2 / sq mi

Land area

Land area1.07 sq miThis ZIP1.07 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 00951

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

ZIP codes near 00951

ZIPCityDistance
00646 Dorado, PR 1.8 mi
00949 Toa Baja, PR 2.5 mi
00954 Toa Alta, PR 2.8 mi
00950 Toa Baja, PR 3.1 mi
00952 Sabana Seca, PR 4.6 mi
00953 Toa Alta, PR 4.7 mi
34053 FPO AA, AA 4.9 mi
00692 Vega Alta, PR 5.2 mi
00957 Bayamon, PR 6.3 mi
00961 Bayamon, PR 6.4 mi

Find every ZIP code within 10 miles of 00951 →

Questions about this ZIP code

Where is ZIP code 00951?

00951 is in Toa Baja, Puerto Rico, in Toa Baja Municipio, part of the San Juan-Bayamón-Caguas, PR metropolitan area. Its published point location is 18.4280, -66.2598.

What county is 00951 in?

00951 lies in Toa Baja Municipio.

What area code is 00951?

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

What time zone is 00951 in?

00951 uses America/Puerto_Rico.

How many people live in 00951?

About 389 people live in ZIP code 00951, in 193 households, at 363.2 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 00951?

$22,669 a year, against $26,297 across Puerto Rico.

What ZIP codes are near 00951?

The closest are 00646 (1.8 mi), 00949 (2.5 mi), 00954 (2.8 mi), 00950 (3.1 mi) and 00952 (4.6 mi).

Is 00951 a PO Box ZIP code?

00951 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “00951 ZIP Code — Toa Baja, Puerto Rico (Toa Baja Municipio).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00951

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