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/IA/BERTRAM

Bertram ZIP codes, Iowa

No ZIP code is named for Bertram, IA; addresses there use a neighbouring town's name. The ZIP code covering it is 52403. Its area code is 319.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
239
Area code
319
State
Iowa

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

Bertram in numbers

About 239 people live in Bertram, in 106 households. The median household income is $86,786 a year, 16% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $296,700 (43% above the Iowa median). The median age is 54.3; 33.2% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 21 minutes.

Population239Bertram239
Households106Bertram106
Median age54.3Bertram54.3Iowa38.6US 38.9
Median household income$86,786Bertram$86,786Iowa$75,059US $80,734
Median home value$296,700Bertram$296,700Iowa$208,000US $332,700
Bachelor's degree or higher33.2%Bertram33.2%Iowa31.4%US 35.7%
Mean commute20.7 minBertram20.7 minIowa19.8 minUS 26.4 min
Population density156 / sq miBertram156 / sq mi

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

ZIP codes covering Bertram

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

ZIP codes overlapping Bertram
ZIP City Type Population Median income Median home
52403 Cedar Rapids , IA Standard 22,551 $74,703 $206,900

Map of Bertram ZIP codes

52403

The ZIP codes of Bertram, IA, 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 Bertram

The nearest larger towns are Ely (2,186 people, 5.5 mi), Mount Vernon (4,513 people, 6.1 mi) and Marion (41,896 people, 6.9 mi).

Towns near Bertram
TownPopulationDistance
Mount Vernon 4,513 6.1 mi
Marion 41,896 6.9 mi
Cedar Rapids 137,264 7.3 mi
Solon 3,152 10.2 mi
Hiawatha 7,206 10.6 mi
Robins 3,332 11.2 mi
Fairfax 2,900 12.5 mi
North Liberty 21,125 14.9 mi
Anamosa 5,629 17.3 mi
Coralville 23,234 17.7 mi
Tiffin 5,737 18.0 mi
Center Point 2,562 20.3 mi
Iowa City 75,752 20.5 mi
West Branch 2,594 22.1 mi

More nearby: every ZIP code in Linn County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Bertram, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/bertram

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