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/GRASSFLAT

Grassflat ZIP code, Pennsylvania

The ZIP code for Grassflat, PA is 16839, and its area codes are 814 and 582.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
474
Area codes
814, 582

NANPA lists no telephone rate centre for Grassflat itself, so these are the area codes of the nearest one, Winburne (3.2 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Grassflat uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Grassflat in numbers

About 474 people live in Grassflat, in 179 households. The median household income is $68,224 a year, 13% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $161,600 (37% below the Pennsylvania median). The median age is 41.4; 33.2% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 45 minutes.

Population474Grassflat474
Households179Grassflat179
Median age41.4Grassflat41.4Pennsylvania40.9US 38.9
Median household income$68,224Grassflat$68,224Pennsylvania$77,971US $80,734
Median home value$161,600Grassflat$161,600Pennsylvania$254,500US $332,700
Bachelor's degree or higher33.2%Grassflat33.2%Pennsylvania35.2%US 35.7%
Mean commute44.5 minGrassflat44.5 minPennsylvania26.3 minUS 26.4 min
Population density326 / sq miGrassflat326 / sq mi

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

ZIP codes addressed as Grassflat

ZIP codes with the USPS city name Grassflat
ZIP City Type Population Median income Median home
16839 Grassflat , PA Standard 392 $63,000 $161,200

Other ZIP codes overlapping Grassflat

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

ZIP codes overlapping Grassflat
ZIP City Type Population Median income Median home
16858 Morrisdale , PA Standard 3,945 $56,655 $158,600

Map of Grassflat ZIP codes

16839

The ZIP codes of Grassflat, 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 Grassflat

The nearest larger towns are Winburne (576 people, 3.8 mi), Morrisdale (747 people, 7.5 mi) and Hawk Run (744 people, 7.6 mi).

Towns near Grassflat
TownPopulationDistance
Philipsburg 2,748 9.7 mi
Stormstown 2,532 15.8 mi
Toftrees 2,873 17.2 mi
Clearfield 5,873 17.3 mi
Park Forest Village 8,624 17.8 mi
Bellefonte 6,009 18.9 mi
State College 41,050 19.9 mi
Pleasant Gap 3,208 21.4 mi
Boalsburg 4,582 23.6 mi
Tyrone 5,377 24.0 mi

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

Cite this page

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

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