zip4lookup

ZIP Codes in Muskegon, MI

Muskegon uses 6 ZIP codes, all in Muskegon County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.

Free. No account needed.

All 6 Muskegon ZIP codes

ZIPTypeCountyPopulation
49440 standard Muskegon 1,492
49441 standard Muskegon 36,779
49442 standard Muskegon 44,766
49443 standard Muskegon 72
49444 standard Muskegon 26,372
49445 standard Muskegon 21,289

Finding a ZIP+4 in Muskegon

Knowing which of these 6 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Muskegon street almost always have different ZIP+4 codes even though they share all five leading digits.

Appending ZIP+4 to a mailing list?

Upload a CSV of Muskegon addresses and download it complete.

Bulk lookup API docs