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 — CITY/PA/BLAWNOX

Blawnox ZIP codes, Pennsylvania

No ZIP code is named for Blawnox, PA; addresses there use a neighbouring town's name. The ZIP code covering it is 15238. Its area codes are 412 and 878.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,439
Area codes
412, 878

NANPA lists no telephone rate centre for Blawnox itself, so these are the area codes of the nearest one, Pittsburgh (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Blawnox in numbers

About 1,439 people live in Blawnox, in 910 households. The median household income is $60,333 a year, 23% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $173,000 (32% below the Pennsylvania median), and median gross rent is $807 a month. The median age is 53.8; 50.9% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 21 minutes.

Population1,439Blawnox1,439
Households910Blawnox910
Median age53.8Blawnox53.8Pennsylvania40.9US 38.9
Median household income$60,333Blawnox$60,333Pennsylvania$77,971US $80,734
Median home value$173,000Blawnox$173,000Pennsylvania$254,500US $332,700
Median gross rent$807Blawnox$807Pennsylvania$1,209US $1,413
Bachelor's degree or higher50.9%Blawnox50.9%Pennsylvania35.2%US 35.7%
Mean commute21.2 minBlawnox21.2 minPennsylvania26.3 minUS 26.4 min
Population density4,861 / sq miBlawnox4,861 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Blawnox borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Blawnox

These ZIP codes cover part of Blawnox but are addressed as somewhere else.

ZIP codes overlapping Blawnox
ZIP City Type Population Median income Median home
15238 Pittsburgh , PA Standard 12,868 $116,575 $491,700

Map of Blawnox ZIP codes

15238

The ZIP codes of Blawnox, PA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Blawnox

The nearest larger towns are Verona (2,524 people, 1.3 mi), Oakmont (6,702 people, 2.2 mi) and Aspinwall (2,843 people, 2.3 mi).

Towns near Blawnox
TownPopulationDistance
Verona 2,524 1.3 mi
Oakmont 6,702 2.2 mi
Aspinwall 2,843 2.3 mi
Fox Chapel 5,246 2.7 mi
Sharpsburg 3,119 3.3 mi
Wilkinsburg 14,027 3.5 mi
Churchill 3,087 3.9 mi
Edgewood 3,077 4.5 mi
Forest Hills 6,286 4.7 mi
Etna 3,364 4.7 mi
Swissvale 8,418 5.2 mi
Springdale 3,319 5.3 mi
Plum 26,723 5.9 mi
Millvale 3,299 6.1 mi

More nearby: every ZIP code in Allegheny County · Pennsylvania ZIP codes

Cite this page

zipcodes.pro. “Blawnox, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/blawnox

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