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/WILLIAMSPORT

Williamsport ZIP codes, Pennsylvania

Williamsport, PA has 4 ZIP codes (17701, 17702, 17703 and 17705) and area codes 570 and 272. The largest is 17701.

USPS city name
4 ZIP codes
Population
27,612
Area codes
570, 272

Williamsport in numbers

About 27,612 people live in Williamsport, in 11,320 households, the 22nd-largest of Pennsylvania's 1,944 census places. The median household income is $48,851 a year, 37% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $154,300 (39% below the Pennsylvania median), and median gross rent is $855 a month. The median age is 31.5; 27.0% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 16 minutes.

Population27,612Williamsport27,612
Households11,320Williamsport11,320
Median age31.5Williamsport31.5Pennsylvania40.9US 38.9
Median household income$48,851Williamsport$48,851Pennsylvania$77,971US $80,734
Median home value$154,300Williamsport$154,300Pennsylvania$254,500US $332,700
Median gross rent$855Williamsport$855Pennsylvania$1,209US $1,413
Bachelor's degree or higher27.0%Williamsport27.0%Pennsylvania35.2%US 35.7%
Mean commute15.8 minWilliamsport15.8 minPennsylvania26.3 minUS 26.4 min
Population density3,146 / sq miWilliamsport3,146 / sq mi

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

ZIP codes addressed as Williamsport

ZIP codes with the USPS city name Williamsport
ZIP City Type Population Median income Median home
17701 Williamsport , PA Standard 43,104 $53,237 $183,900
17702 Williamsport , PA Standard 10,488 $70,210 $196,900
17703 Williamsport , PA No street area — — —
17705 Williamsport , PA No street area — — —

Map of Williamsport ZIP codes

17701177021770317705

The ZIP codes of Williamsport, 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 Williamsport

The nearest larger towns are State College (41,050 people, 53 mi), Hazleton (30,111 people, 59 mi) and Wilkes-Barre (44,423 people, 60 mi).

Towns near Williamsport
TownPopulationDistance
Garden View 2,637 1.3 mi
South Williamsport 6,211 2.0 mi
Kenmar 5,077 4.3 mi
Montoursville 4,706 6.2 mi
Jersey Shore 4,121 12.3 mi
Muncy 2,720 13.3 mi
Milton 6,534 19.0 mi
Lewisburg 5,257 20.5 mi
Mifflinburg 3,473 22.2 mi
Lock Haven 8,447 22.9 mi
Northumberland 3,866 26.8 mi
Sunbury 9,617 29.2 mi
Danville 4,217 29.3 mi

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

Cite this page

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

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