Cedar Rapids, IA ZIP Codes, Area Codes and Address Format

City guides  |  July 17, 2026  |  2 min read

Looking up ZIP codes or writing an address in Cedar Rapids, Iowa? Below is a practical reference built from postal data for the city.

State

Iowa (IA)

County

Linn County

Standard ZIP codes

6

Time zone

Central

Cedar Rapids ZIP codes

These are the standard delivery ZIP codes for Cedar Rapids. The city has 14 ZIP codes in total when PO Box and unique codes are included.

• 52401
• 52402
• 52403
• 52404
• 52405
• 52411

Area codes in Cedar Rapids

Cedar Rapids phone numbers use 319. A single area code keeps local numbers easy to recognize.

Sample Cedar Rapids addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Cedar Rapids

• End the address with CEDAR RAPIDS, IA and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Cedar Rapids has 6 codes, so the city name alone is not enough.

More Iowa cities

Des Moines, Iowa City, Ames, West Des Moines, Boone, or see all Iowa cities.