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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 — STATE/AK/COUNTY/PETERSBURG

Petersburg Borough, AK ZIP codes

Petersburg Borough, AK has one ZIP code: 99833.

The borough seat is Petersburg.

ZIP codes
1
Towns
1
Borough seat
Petersburg
County FIPS
02195
State
Alaska
Population
3,409
Median household income
$75,125
Land area
2,901 sq mi

Petersburg Borough ZIP codes by town

Petersburg (borough seat)
99833

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Petersburg Borough ZIP codes

99833

The ZIP codes of Petersburg Borough, 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.

Petersburg Borough in numbers

About 3,409 people live in Petersburg Borough, in 1,371 households, the 21st most populous of Alaska's 30 counties. The median household income is $75,125 a year, 19% below the Alaska median of $92,788 (US: $80,734). The median owner-occupied home is valued at $315,100 (11% below the Alaska median), and median gross rent is $950 a month. The median age is 45.7; 25.8% of adults 25 and over hold a bachelor's degree or higher (31.7% across Alaska); the average commute takes 7 minutes.

Population3,409Petersburg3,409
Households1,371Petersburg1,371
Median age45.7Petersburg45.7Alaska35.8US 38.9
Median household income$75,125Petersburg$75,125Alaska$92,788US $80,734
Median home value$315,100Petersburg$315,100Alaska$352,900US $332,700
Median gross rent$950Petersburg$950Alaska$1,419US $1,413
Bachelor's degree or higher25.8%Petersburg25.8%Alaska31.7%US 35.7%
Mean commute6.8 minPetersburg6.8 minAlaska19.4 minUS 26.4 min
Population density1 / sq miPetersburg1 / sq mi

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

Neighbouring counties

Counties that share a ZIP code with Petersburg Borough.

Not sure you are in Petersburg Borough? What county am I in? answers from your location, near a county line included.

Every ZIP code in Petersburg Borough, with figures

ZIP codes in Petersburg Borough
ZIP City Type Population Median income Median home
99833 Petersburg , AK Standard 3,409 $75,125 $315,100

Cite this page

zipcodes.pro. “Petersburg Borough ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ak/county/petersburg

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