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/PORTLAND

Portland ZIP code, Pennsylvania

The ZIP code for Portland, PA is 18351, and its area code is 570.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
546
Area code
570

Mail addressed to Portland 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.

Portland in numbers

About 546 people live in Portland, in 235 households. The median household income is $52,679 a year, 32% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $266,900 (5% above the Pennsylvania median), and median gross rent is $1,217 a month. The median age is 46.4; 18.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 35 minutes.

Population546Portland546
Households235Portland235
Median age46.4Portland46.4Pennsylvania40.9US 38.9
Median household income$52,679Portland$52,679Pennsylvania$77,971US $80,734
Median home value$266,900Portland$266,900Pennsylvania$254,500US $332,700
Median gross rent$1,217Portland$1,217Pennsylvania$1,209US $1,413
Bachelor's degree or higher18.8%Portland18.8%Pennsylvania35.2%US 35.7%
Mean commute35.0 minPortland35.0 minPennsylvania26.3 minUS 26.4 min
Population density1,130 / sq miPortland1,130 / sq mi

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

ZIP codes addressed as Portland

ZIP codes with the USPS city name Portland
ZIP City Type Population Median income Median home
18351 Portland , PA Standard 546 $52,679 $266,900

Other ZIP codes overlapping Portland

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

ZIP codes overlapping Portland
ZIP City Type Population Median income Median home
18343 Mount Bethel , PA Standard 3,637 $80,491 $326,300

Map of Portland ZIP codes

18351

The ZIP codes of Portland, 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 Portland

The nearest larger towns are Delaware Water Gap (738 people, 3.7 mi), East Bangor (1,274 people, 5.4 mi) and Belvidere, NJ (2,538 people, 6.5 mi).

Towns near Portland
TownPopulationDistance
Belvidere, NJ 2,538 6.5 mi
Stroudsburg 5,894 6.6 mi
Bangor 5,163 6.9 mi
East Stroudsburg 9,319 6.9 mi
Arlington Heights 6,847 7.9 mi
Pen Argyl 3,495 8.9 mi
Penn Estates 3,659 10.7 mi
Wind Gap 3,360 11.3 mi
Washington, NJ 7,334 12.8 mi
Panther Valley, NJ 4,553 13.4 mi
Saw Creek 4,422 13.9 mi
Beattystown, NJ 4,917 14.5 mi
Chestnut Hill 7,086 14.9 mi
Hackettstown, NJ 10,140 15.0 mi

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

Cite this page

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

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