19551
ZIP 19551 is Robesonia, Pennsylvania, mostly in Berks County; area codes 484 and 610; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Berks +2 more
- Metro area
- Reading, PA
- Population
- 4,778
- Coordinates
- 40.3618, -76.1373
Weather right now
Asking the National Weather Service…
Where 19551 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.
- 🔢 Type 19551 into a pocket calculator and turn it upside down: ISSGI — not quite a word, sorry.
- ➕ As a number, 19,551 = 3 × 7 × 7 × 7 × 19. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100110001011111 - 🏠 Its numerical neighbours: 19550 (Rehrersburg, PA, 9 mi away) and 19554 (Shartlesville, PA, 11 mi away).
- 🔄 Backwards, 19551 becomes 15591, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (11559, 11955, 15915, 15951, 19155, 51591, …). The farthest-flung twin is 95511 in Alderpoint, CA, 2,471 miles away.
- 🧭 Farther north than 60% of all ZIP codes, and farther east than 84%.
- 🎯1,184 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 19551 and you would come out at 40.36°S, 103.86°E — 885 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
- 📏 At 25.3 square miles of land, 19551 is bigger than 42% of ZIP codes — room for about 19 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,778This ZIP4,778 |
|---|---|
| Households | 1,835This ZIP1,835 |
| Housing units | 1,895This ZIP1,895 |
| Median age | 48.3This ZIP48.3Pennsylvania40.9US 38.9 |
| Median household income | $90,504This ZIP$90,504Pennsylvania$77,971US $80,734 |
| Median home value | $264,200This ZIP$264,200Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,079This ZIP$1,079Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 24.7%This ZIP24.7% |
| Mean commute | 26.6 minThis ZIP26.6 min |
| Population density | 188.6 / sq miThis ZIP188.6 / sq mi |
Business and tax activity
| Business establishments | 114This ZIP114 |
|---|---|
| Employees | 1,752This ZIP1,752 |
| Annual payroll | $95,238,000This ZIP$95,238,000 |
| Tax returns filed | 2,690This ZIP2,690 |
| Total adjusted gross income | $227,978,000This ZIP$227,978,000 |
Land area
| Land area | 25.33 sq miThis ZIP25.33 sq mi |
|---|---|
| Water area | 0.28 sq miThis ZIP0.28 sq mi |
Counties 19551 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Berks County | 82.0% |
| Lebanon County | 17.2% |
| Lancaster County | 0.8% |
Other place names in 19551
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 19551
| ZIP | City | Distance |
|---|---|---|
19565 | Wernersville, PA | 2.9 mi |
19567 | Womelsdorf, PA | 4.6 mi |
19608 | Reading, PA | 6.3 mi |
19506 | Bernville, PA | 6.4 mi |
17569 | Reinholds, PA | 6.6 mi |
17039 | Kleinfeltersville, PA | 7.2 mi |
17073 | Newmanstown, PA | 7.4 mi |
17087 | Richland, PA | 7.5 mi |
19609 | Reading, PA | 7.8 mi |
17517 | Denver, PA | 8.1 mi |
Find every ZIP code within 10 miles of 19551 →
Questions about this ZIP code
Where is ZIP code 19551?
19551 is in Robesonia, Pennsylvania, in Berks County, part of the Reading, PA metropolitan area. Its published point location is 40.3618, -76.1373.
What county is 19551 in?
19551 spans 3 counties: Berks County, Lebanon County and Lancaster County. Most of it falls in Berks 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 19551?
Robesonia uses area codes 484 and 610, from NANPA's telephone records.
What time zone is 19551 in?
19551 uses America/New_York.
How many people live in 19551?
About 4,778 people live in ZIP code 19551, in 1,835 households, at 188.6 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 19551?
$90,504 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 19551?
The closest are 19565 (2.9 mi), 19567 (4.6 mi), 19608 (6.3 mi), 19506 (6.4 mi) and 17569 (6.6 mi).
Is 19551 a PO Box ZIP code?
19551 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “19551 ZIP Code — Robesonia, Pennsylvania (Berks County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19551
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/19551.json Underlying data is public domain or openly licensed — sources, vintages and licences.