Rochester, MN ZIP Codes, Area Codes and Address Format

City guides  |  September 4, 2026  |  2 min read

Rochester is one of the busiest mail areas in Minnesota, with 4 standard ZIP codes in Olmsted County. Here is everything you need to format a Rochester address correctly.

State

Minnesota (MN)

County

Olmsted County

Standard ZIP codes

4

Time zone

Central

Rochester ZIP codes

These are the standard delivery ZIP codes for Rochester. The city has 6 ZIP codes in total when PO Box and unique codes are included.

• 55901
• 55902
• 55904
• 55906

Area codes in Rochester

Rochester phone numbers use 507. A single area code keeps local numbers easy to recognize.

Sample Rochester 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 Rochester

• End the address with ROCHESTER, MN 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. Rochester has 4 codes, so the city name alone is not enough.

More Minnesota cities

Duluth, Adams, Burnsville, Moorhead, Hopkins, or see all Minnesota cities.