00744

ZIP 00744 is Rio Blanco, Puerto Rico, in Naguabo Municipio; area codes 787 and 939; Atlantic time.

Type: No street area
Time zone: America/Puerto_Rico
County: Naguabo
Metro area: San Juan-Bayamón-Caguas, PR
Coordinates: 18.2183, -65.7885

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 00718, whose figures describe that area — not this ZIP code.

☼ Live from 00744 — Rio Blanco, PR

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Where 00744 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 00744

🔢 Type 00744 into a pocket calculator and turn it upside down: hhLOO — not quite a word, sorry.
➕ As a number, 744 = 2 × 2 × 2 × 3 × 31. Its digits add up to 15, a total 1,657 other ZIP codes share.
💾In binary, the way a computer stores it: 1011101000
🏠 Its numerical neighbours: 00742 (Roosevelt Roads, PR, 11 mi away) and 00745 (Rio Grande, PR, 9 mi away).
🔄 Backwards, 00744 becomes 44700, which is not a ZIP code at all.
👥 12 other ZIP codes are made of exactly the same digits (04047, 04074, 04740, 07044, 07440, 40047, …). The farthest-flung twin is 74004 in Bartlesville, OK, 2,229 miles away.
🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
🎯2,457 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 00744 and you would come out at 18.22°S, 114.21°E — 665 miles from Denpasar, Indonesia, the nearest big city to that spot.
☀Longest day of the year: 13h 13m of daylight. Shortest: 11h 02m.

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Source: USGS.

Land area

ZIP codes near 00744

ZIP	City	Distance
`00718`	Naguabo, PR	2.3 mi
`00741`	Punta Santiago, PR	4.4 mi
`00792`	Humacao, PR	5.4 mi
`00791`	Humacao, PR	5.5 mi
`00771`	Las Piedras, PR	5.8 mi
`00777`	Juncos, PR	7.9 mi
`00738`	Fajardo, PR	8.4 mi
`00735`	Ceiba, PR	8.4 mi
`00745`	Rio Grande, PR	9.4 mi
`00773`	Luquillo, PR	9.6 mi

Find every ZIP code within 10 miles of 00744 →

Questions about this ZIP code

Where is ZIP code 00744?

00744 is in Rio Blanco, Puerto Rico, in Naguabo Municipio, part of the San Juan-Bayamón-Caguas, PR metropolitan area. Its published point location is 18.2183, -65.7885.

What county is 00744 in?

00744 lies in Naguabo Municipio.

What area code is 00744?

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

What time zone is 00744 in?

00744 uses America/Puerto_Rico.

What ZIP codes are near 00744?

The closest are 00718 (2.3 mi), 00741 (4.4 mi), 00792 (5.4 mi), 00791 (5.5 mi) and 00771 (5.8 mi).

Is 00744 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. “00744 ZIP Code — Rio Blanco, Puerto Rico (Naguabo Municipio).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00744

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/00744.json

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