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/18073

18073

ZIP 18073 is Pennsburg, Pennsylvania, mostly in Montgomery County; area codes 267, 215 and 445; Eastern time.

Type
Standard
Time zone
America/New_York
County
Montgomery +1 more
Population
11,755
Coordinates
40.3865, -75.4744
☼ Live from 18073 — Pennsburg, PA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 18073 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 18073
  • 🔢 Type 18073 into a pocket calculator and turn it upside down: ELOBI — not quite a word, sorry.
  • ➕ As a number, 18,073 = 11 × 31 × 53. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100011010011001
  • 🏠 Its numerical neighbours: 18072 (Pen Argyl, PA, 34 mi away) and 18074 (Perkiomenville, PA, 5 mi away).
  • 🔄 Backwards, 18073 becomes 37081, which is not a ZIP code at all.
  • 👥 52 other ZIP codes are made of exactly the same digits (01378, 03781, 03817, 03871, 07831, 08317, …). The farthest-flung twin is 83701 in Boise, ID, 2,086 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 86%.
  • 🎯1,218 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 18073 and you would come out at 40.39°S, 104.53°E — 859 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 18.0 square miles of land, 18073 is bigger than 36% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 18073 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population11,755This ZIP11,755
Households4,214This ZIP4,214
Housing units4,279This ZIP4,279
Median age41.3This ZIP41.3Pennsylvania40.9US 38.9
Median household income$115,766This ZIP$115,766Pennsylvania$77,971US $80,734
Median home value$369,300This ZIP$369,300Pennsylvania$254,500US $332,700
Median gross rent$1,468This ZIP$1,468Pennsylvania$1,209US $1,413
Bachelor's degree or higher35.7%This ZIP35.7%
Mean commute29.9 minThis ZIP29.9 min
Population density653.5 / sq miThis ZIP653.5 / sq mi

Business and tax activity

Business establishments232This ZIP232
Employees2,451This ZIP2,451
Annual payroll$114,292,000This ZIP$114,292,000
Tax returns filed5,580This ZIP5,580
Total adjusted gross income$541,236,000This ZIP$541,236,000

Land area

Land area17.99 sq miThis ZIP17.99 sq mi
Water area0.94 sq miThis ZIP0.94 sq mi

Counties 18073 spans

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

CountyShare of this ZIP
Montgomery County 84.9%
Bucks County 15.1%

Other place names in 18073

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

ZIP codes near 18073

ZIPCityDistance
18076 Red Hill, PA 1.0 mi
18041 East Greenville, PA 3.0 mi
18054 Green Lane, PA 3.0 mi
18968 Spinnerstown, PA 4.1 mi
18084 Sumneytown, PA 4.2 mi
18070 Palm, PA 4.6 mi
18970 Trumbauersville, PA 5.2 mi
18935 Milford Square, PA 5.3 mi
18074 Perkiomenville, PA 5.3 mi
19503 Bally, PA 5.3 mi

Find every ZIP code within 10 miles of 18073 →

Questions about this ZIP code

Where is ZIP code 18073?

18073 is in Pennsburg, Pennsylvania, in Montgomery County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 40.3865, -75.4744.

What county is 18073 in?

18073 spans 2 counties: Montgomery County and Bucks County. Most of it falls in Montgomery County, 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 18073?

Pennsburg uses area codes 267, 215 and 445, from NANPA's telephone records.

What time zone is 18073 in?

18073 uses America/New_York.

How many people live in 18073?

About 11,755 people live in ZIP code 18073, in 4,214 households, at 653.5 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 18073?

$115,766 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 18073?

The closest are 18076 (1 mi), 18041 (3 mi), 18054 (3 mi), 18968 (4.1 mi) and 18084 (4.2 mi).

Is 18073 a PO Box ZIP code?

18073 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “18073 ZIP Code — Pennsburg, Pennsylvania (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18073

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/18073.json

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