Natrona County ZIP codes

Every ZIP code in Natrona County, Wyoming, with the city it serves. Open any one for a free neighborhood report.

14 ZIP codes · Natrona County, WY · FIPS 56025

ZIP codes

14 in this county

82601Casper 82602CasperPO box 82604Casper 82605CasperPO box 82609Casper 82620Alcova 82630Arminto 82635Edgerton 82636Evansville 82638Hiland 82643Midwest 82644Mills 82646Natrona 82648Powder River

2 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.