00737

ZIP 00737 is in Cayey, Puerto Rico, in Cayey Municipio; area codes 787 and 939; Atlantic time. Cayey has 2 ZIP codes; the other is 00736.

Type: No street area
Time zone: America/Puerto_Rico
County: Cayey
Metro area: San Juan-Bayamón-Caguas, PR
Coordinates: 18.1119, -66.1660

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 00736, whose figures describe that area — not this ZIP code.

☼ Live from 00737 — Cayey, PR

Weather right now

Asking the National Weather Service…

NEXRAD radar

Finding the nearest radar…

Local time: —

Where 00737 is

Loading map… Open 00737 on OpenStreetMap

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 00737

🔢 Type 00737 into a pocket calculator and turn it upside down: LELOO — not quite a word, sorry.
➕ As a number, 737 = 11 × 67. Its digits add up to 17, a total 2,133 other ZIP codes share.
💾In binary, the way a computer stores it: 1011100001
🏠 Its numerical neighbours: 00736 (Cayey, PR, 1 mi away) and 00738 (Fajardo, PR, 33 mi away).
🔄 Backwards, 00737 becomes 73700, which is not a ZIP code at all.
👥 17 other ZIP codes are made of exactly the same digits (00773, 03077, 03770, 07073, 07307, 07703, …). The farthest-flung twin is 73007 in Arcadia, OK, 2,256 miles away.
🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
🎯2,445 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 00737 and you would come out at 18.11°S, 113.83°E — 660 miles from Denpasar, Indonesia, the nearest big city to that spot.
☀Longest day of the year: 13h 13m of daylight. Shortest: 11h 02m.

🌙 The sky over 00737 today

Working out the sun…

🌋 Shake report

Checking the USGS…

Source: USGS.

Land area

ZIP codes near 00737

ZIP	City	Distance
`00736`	Cayey, PR	1.1 mi
`00739`	Cidra, PR	4.4 mi
`00786`	La Plata, PR	4.4 mi
`00705`	Aibonito, PR	6.7 mi
`00784`	Guayama, PR	7.3 mi
`00782`	Comerio, PR	8.7 mi
`00727`	Caguas, PR	9.2 mi
`00785`	Guayama, PR	9.5 mi
`00703`	Aguas Buenas, PR	9.7 mi
`00751`	Salinas, PR	9.8 mi

Find every ZIP code within 10 miles of 00737 →

Questions about this ZIP code

Where is ZIP code 00737?

00737 is in Cayey, Puerto Rico, in Cayey Municipio, part of the San Juan-Bayamón-Caguas, PR metropolitan area. Its published point location is 18.1119, -66.1660.

What county is 00737 in?

00737 lies in Cayey Municipio.

What area code is 00737?

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

What time zone is 00737 in?

00737 uses America/Puerto_Rico.

What ZIP codes are near 00737?

The closest are 00736 (1.1 mi), 00739 (4.4 mi), 00786 (4.4 mi), 00705 (6.7 mi) and 00784 (7.3 mi).

Is 00737 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.

Download or cite

Cite this page

zipcodes.pro. “00737 ZIP Code — Cayey, Puerto Rico (Cayey Municipio).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00737

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/00737.json

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