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/AK/BIG-DELTA

Big Delta ZIP codes, Alaska

No ZIP code is named for Big Delta, AK; addresses there use a neighbouring town's name. The ZIP code covering it is 99737. Its area code is 907.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
565
Area code
907
State
Alaska

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

Big Delta in numbers

About 565 people live in Big Delta, in 135 households. The median household income is $104,653 a year, 13% above the Alaska median of $92,788 (US: $80,734). The median owner-occupied home is valued at $410,400 (16% above the Alaska median). The median age is 30.0; 53.5% of adults 25 and over hold a bachelor's degree or higher (31.7% across Alaska); the average commute takes 13 minutes.

Population565Big Delta565
Households135Big Delta135
Median age30.0Big Delta30.0Alaska35.8US 38.9
Median household income$104,653Big Delta$104,653Alaska$92,788US $80,734
Median home value$410,400Big Delta$410,400Alaska$352,900US $332,700
Bachelor's degree or higher53.5%Big Delta53.5%Alaska31.7%US 35.7%
Mean commute12.9 minBig Delta12.9 minAlaska19.4 minUS 26.4 min
Population density12 / sq miBig Delta12 / sq mi

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

ZIP codes covering Big Delta

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

ZIP codes overlapping Big Delta
ZIP City Type Population Median income Median home
99737 Delta Junction , AK Standard 4,774 $83,107 $312,600

Map of Big Delta ZIP codes

99737

The ZIP codes of Big Delta, AK, 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 Big Delta

The nearest larger towns are Delta Junction (1,217 people, 7.0 mi), Deltana (1,997 people, 28 mi) and Salcha (829 people, 43 mi).

More nearby: every ZIP code in Southeast Fairbanks Census Area · Alaska ZIP codes

Cite this page

zipcodes.pro. “Big Delta, AK ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ak/big-delta

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