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/15688

15688

ZIP 15688 is Tarrs, Pennsylvania, in Westmoreland County; area codes 724 and 878; Eastern time.

Type
Standard
Time zone
America/New_York
County
Westmoreland
Metro area
Pittsburgh, PA
Population
612
Coordinates
40.1728, -79.5859
☼ Live from 15688 — Tarrs, PA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 15688 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 15688
  • 🔢 Type 15688 into a pocket calculator and turn it upside down: BBgSI — not quite a word, sorry.
  • ➕ As a number, 15,688 = 2 × 2 × 2 × 37 × 53. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110101001000
  • 🏠 Its numerical neighbours: 15687 (Stahlstown, PA, 14 mi away) and 15689 (United, PA, 6 mi away).
  • 🔄 Backwards, 15688 becomes 88651, which is not a ZIP code at all.
  • 👥 7 other ZIP codes are made of exactly the same digits (15868, 16858, 61858, 68815, 81658, 85618, …). The farthest-flung twin is 85618 in Mammoth, AZ, 1,792 miles away.
  • 🧭 Farther north than 58% of all ZIP codes, and farther east than 75%.
  • 🎯1,004 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 15688 and you would come out at 40.17°S, 100.41°E — 1,031 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
  • 📏 At 2.0 square miles of land, 15688 is bigger than 11% of ZIP codes — room for about 1.5 Central Parks.
🌙 The sky over 15688 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population612This ZIP612
Households253This ZIP253
Housing units275This ZIP275
Median age44.5This ZIP44.5Pennsylvania40.9US 38.9
Median household income$80,938This ZIP$80,938Pennsylvania$77,971US $80,734
Median home value$89,500This ZIP$89,500Pennsylvania$254,500US $332,700
Bachelor's degree or higher16.7%This ZIP16.7%
Mean commute20.0 minThis ZIP20.0 min
Population density311.9 / sq miThis ZIP311.9 / sq mi

Business and tax activity

Business establishments6This ZIP6
Employees199This ZIP199
Annual payroll$15,533,000This ZIP$15,533,000
Tax returns filed360This ZIP360
Total adjusted gross income$19,145,000This ZIP$19,145,000

Land area

Land area1.96 sq miThis ZIP1.96 sq mi
Water area0.00 sq mi

ZIP codes near 15688

ZIPCityDistance
15639 Hunker, PA 2.2 mi
15612 Alverton, PA 2.5 mi
15679 Ruffs Dale, PA 3.8 mi
15666 Mount Pleasant, PA 4.1 mi
15697 Youngwood, PA 4.6 mi
15616 Armbrust, PA 4.7 mi
15683 Scottdale, PA 4.7 mi
15672 New Stanton, PA 5.3 mi
15674 Norvelt, PA 5.3 mi
15631 Everson, PA 5.7 mi

Find every ZIP code within 10 miles of 15688 →

Questions about this ZIP code

Where is ZIP code 15688?

15688 is in Tarrs, Pennsylvania, in Westmoreland County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.1728, -79.5859.

What county is 15688 in?

15688 lies in Westmoreland County.

What area code is 15688?

Tarrs uses area codes 724 and 878, from NANPA's telephone records.

What time zone is 15688 in?

15688 uses America/New_York.

How many people live in 15688?

About 612 people live in ZIP code 15688, in 253 households, at 311.9 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 15688?

$80,938 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 15688?

The closest are 15639 (2.2 mi), 15612 (2.5 mi), 15679 (3.8 mi), 15666 (4.1 mi) and 15697 (4.6 mi).

Is 15688 a PO Box ZIP code?

15688 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “15688 ZIP Code — Tarrs, Pennsylvania (Westmoreland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15688

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/15688.json

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