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/SEASIDE

Seaside ZIP code, California

The ZIP code for Seaside, CA is 93955, and its area code is 831.

USPS city name
1 ZIP code
Population
31,814
Area code
831

NANPA lists no telephone rate centre for Seaside itself, so these are the area codes of the nearest one, Monterey (3.8 miles). A town on an area-code boundary can differ from its neighbour.

Seaside in numbers

About 31,814 people live in Seaside, in 10,371 households. The median household income is $85,311 a year, 14% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $787,100 (7% above the California median), and median gross rent is $2,409 a month. The median age is 34.0; 29.6% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 21 minutes.

Population31,814Seaside31,814
Households10,371Seaside10,371
Median age34.0Seaside34.0California37.9US 38.9
Median household income$85,311Seaside$85,311California$99,122US $80,734
Median home value$787,100Seaside$787,100California$734,700US $332,700
Median gross rent$2,409Seaside$2,409California$2,036US $1,413
Bachelor's degree or higher29.6%Seaside29.6%California37.1%US 35.7%
Mean commute21.0 minSeaside21.0 minCalifornia28.7 minUS 26.4 min
Population density3,565 / sq miSeaside3,565 / sq mi

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

ZIP codes addressed as Seaside

ZIP codes with the USPS city name Seaside
ZIP City Type Population Median income Median home
93955 Seaside , CA Standard 32,266 $85,282 $788,300

Map of Seaside ZIP codes

93955

The ZIP codes of Seaside, 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 Seaside

The nearest larger towns are Salinas (161,761 people, 11 mi), Watsonville (51,712 people, 21 mi) and Santa Cruz (61,607 people, 27 mi).

Towns near Seaside
TownPopulationDistance
Monterey 29,613 4.0 mi
Marina 22,563 4.1 mi
Pacific Grove 14,951 6.0 mi
Carmel-by-the-Sea 3,162 7.6 mi
Del Monte Forest 3,613 7.7 mi
Carmel Valley Village 4,785 9.8 mi
Castroville 6,720 10.3 mi
Salinas 161,761 11.1 mi
Prunedale 19,723 15.7 mi
Las Lomas 3,355 17.5 mi
Pajaro 2,899 19.6 mi
Aromas 3,245 20.1 mi
Watsonville 51,712 20.8 mi
Freedom 3,172 21.8 mi

More nearby: every ZIP code in Monterey County · California ZIP codes

Cite this page

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

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