Town Chart.

← Look up another ZIP code · All towns in Washington

ZIP code 98023

Federal Way, WA · King County

About ZIP code 98023

  • ZIP code 98023 is in Federal Way, King County, Washington.
  • About 50,448 people live in it, which is 1,897.5 people per square mile.
  • It also reaches into Pierce County.
  • Time zone: Pacific Standard Time.
  • The middle of the ZIP code is at 47.309, -122.362.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Federal Way, WA

ZIP code 98023 is the post office name for Federal Way, WA. 99,493 people live in Federal Way. Typical household income is $86,909. A typical home costs $552,800.

  • Stronger than most towns on: Diversity & community, Public transit and Airport access.
  • Weaker than most towns on: Clean air and low disaster risk, Housing affordability and Cost of living.

See all figures for Federal Way

Other ZIP codes in Federal Way

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.