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/CA/ALPINE

Alpine ZIP codes, California

Alpine, CA has 2 ZIP codes (91901 and 91903) and area codes 619 and 858. The largest is 91901.

USPS city name
2 ZIP codes
Overlapping the city
1 more
Population
15,180
Area codes
619, 858

NANPA lists no telephone rate centre for Alpine itself, so these are the area codes of the nearest one, El Cajon (6.3 miles). A town on an area-code boundary can differ from its neighbour.

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

Alpine in numbers

About 15,180 people live in Alpine, in 5,414 households. The median household income is $108,660 a year, 10% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $864,000 (18% above the California median), and median gross rent is $1,973 a month. The median age is 42.4; 33.0% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 30 minutes.

Population15,180Alpine15,180
Households5,414Alpine5,414
Median age42.4Alpine42.4California37.9US 38.9
Median household income$108,660Alpine$108,660California$99,122US $80,734
Median home value$864,000Alpine$864,000California$734,700US $332,700
Median gross rent$1,973Alpine$1,973California$2,036US $1,413
Bachelor's degree or higher33.0%Alpine33.0%California37.1%US 35.7%
Mean commute30.2 minAlpine30.2 minCalifornia28.7 minUS 26.4 min
Population density567 / sq miAlpine567 / sq mi

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

ZIP codes addressed as Alpine

ZIP codes with the USPS city name Alpine
ZIP City Type Population Median income Median home
91901 Alpine , CA Standard 18,197 $114,167 $852,000
91903 Alpine , CA No street area — — —

Other ZIP codes overlapping Alpine

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

ZIP codes overlapping Alpine
ZIP City Type Population Median income Median home
92019 El Cajon , CA Standard 45,351 $101,973 $801,400

Map of Alpine ZIP codes

9190191903

The ZIP codes of Alpine, CA, 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 Alpine

The nearest larger towns are Lakeside (22,447 people, 8.7 mi), Winter Gardens (22,131 people, 9.9 mi) and Bostonia (16,765 people, 11 mi).

Towns near Alpine
TownPopulationDistance
Harbison Canyon 4,328 4.9 mi
Crest 2,775 7.1 mi
Lakeside 22,447 8.7 mi
Granite Hills 3,795 9.1 mi
Winter Gardens 22,131 9.9 mi
Jamul 6,574 10.9 mi
Bostonia 16,765 10.9 mi
Rancho San Diego 21,272 11.0 mi
Eucalyptus Hills 5,840 11.4 mi
San Diego Country Estates 10,223 11.7 mi
El Cajon 104,449 12.2 mi
Santee 59,332 13.4 mi
Casa de Oro-Mount Helix 19,765 13.5 mi
Spring Valley 31,969 15.0 mi

More nearby: every ZIP code in San Diego County · California ZIP codes

Cite this page

zipcodes.pro. “Alpine, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/alpine

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