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zipcodes.pro — ZIP/00638

00638

ZIP 00638 is Ciales, Puerto Rico, mostly in Ciales Municipio; area codes 787 and 939; Atlantic time.

Type
Standard
Time zone
America/Puerto_Rico
County
Ciales +2 more
Population
17,319
Coordinates
18.2802, -66.5131
☼ Live from 00638 — Ciales, PR

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Where 00638 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 00638
  • 🔢 Type 00638 into a pocket calculator and turn it upside down: BEgOO — not quite a word, sorry.
  • ➕ As a number, 638 = 2 × 11 × 29. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001111110
  • 🏠 Its numerical neighbours: 00637 (Sabana Grande, PR, 32 mi away) and 00641 (Utuado, PR, 12 mi away).
  • 🔄 Backwards, 00638 becomes 83600, which is not a ZIP code at all.
  • 👥 31 other ZIP codes are made of exactly the same digits (00683, 03086, 03608, 03860, 06083, 06380, …). The farthest-flung twin is 86003 in Flagstaff, AZ, 2,965 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
  • 🎯2,420 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 00638 and you would come out at 18.28°S, 113.49°E — 675 miles from Denpasar, Indonesia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 14m of daylight. Shortest: 11h 02m.
  • 📏 At 71.4 square miles of land, 00638 is bigger than 69% of ZIP codes — room for about 54 Central Parks.
🌙 The sky over 00638 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population17,319This ZIP17,319
Households6,028This ZIP6,028
Housing units7,793This ZIP7,793
Median age46.6This ZIP46.6Puerto Rico44.8US 38.9
Median household income$22,610This ZIP$22,610Puerto Rico$26,297US $80,734
Median home value$96,400This ZIP$96,400Puerto Rico$131,500US $332,700
Median gross rent$429This ZIP$429Puerto Rico$578US $1,413
Bachelor's degree or higher16.7%This ZIP16.7%
Mean commute29.8 minThis ZIP29.8 min
Population density242.6 / sq miThis ZIP242.6 / sq mi

Land area

Land area71.40 sq miThis ZIP71.40 sq mi
Water area0.19 sq miThis ZIP0.19 sq mi

Counties 00638 spans

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

CountyShare of this ZIP
Ciales Municipio 91.9%
Orocovis Municipio 7.5%
Manatí Municipio 0.6%

Other place names in 00638

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

ZIP codes near 00638

ZIPCityDistance
00650 Florida, PR 6.4 mi
00687 Morovis, PR 6.6 mi
00664 Jayuya, PR 7.1 mi
00720 Orocovis, PR 7.3 mi
00674 Manati, PR 10.1 mi
00688 Sabana Hoyos, PR 10.2 mi
00766 Villalba, PR 10.7 mi
00617 Barceloneta, PR 11.9 mi
00783 Corozal, PR 12.2 mi
00641 Utuado, PR 12.4 mi

Find every ZIP code within 10 miles of 00638 →

Questions about this ZIP code

Where is ZIP code 00638?

00638 is in Ciales, Puerto Rico, in Ciales Municipio, part of the San Juan-Bayamón-Caguas, PR metropolitan area. Its published point location is 18.2802, -66.5131.

What county is 00638 in?

00638 spans 3 counties: Ciales Municipio, Orocovis Municipio and Manatí Municipio. Most of it falls in Ciales 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 00638?

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

What time zone is 00638 in?

00638 uses America/Puerto_Rico.

How many people live in 00638?

About 17,319 people live in ZIP code 00638, in 6,028 households, at 242.6 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 00638?

$22,610 a year, against $26,297 across Puerto Rico.

What ZIP codes are near 00638?

The closest are 00650 (6.4 mi), 00687 (6.6 mi), 00664 (7.1 mi), 00720 (7.3 mi) and 00674 (10.1 mi).

Is 00638 a PO Box ZIP code?

00638 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “00638 ZIP Code — Ciales, Puerto Rico (Ciales Municipio).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/00638

Machine-readable version of these facts:

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