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ZIP Code 99688 – Willow, AK

Willow, Alaska · Matanuska-Susitna Borough · Alaska time

ZIP code99688
CityWillow
StateAlaska
CountyMatanuska-Susitna Borough
Area code907
Population2,739
Time zoneAlaska · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1,677.49 sq mi
Center (lat, long)61.8870, -149.6202

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Nearby ZIP codes

99694 Houston · 19.6 mi99654 Wasilla · 20.5 mi99629 Wasilla · 21.7 mi99687 Wasilla · 25 mi99652 Big Lake · 28.1 mi99623 Wasilla · 32.4 mi99505 Jber · 41.6 mi99506 Jber · 42.9 mi

About ZIP 99688

ZIP code 99688 is assigned to Willow, Alaska. It lies in Matanuska-Susitna Borough. Its Census area covers about 1,677.49 square miles of land. The closest neighboring ZIP is 99694 (Houston), about 19.6 miles away.

Every address in 99688 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources