ZIP CodesZIP codes in Matanuska-Susitna Borough, Alaska
Matanuska-Susitna Borough, Alaska has 12 ZIP codes in this list, from 99623 to 99694. They cover 9 places, among them Wasilla, Palmer, Big Lake and Skwentna.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 99623 | Wasilla | 259 | 61.546, -149.590 |
| 99629 | Wasilla | no area | 61.584, -149.444 |
| 99645 | Palmer | 586 | 61.630, -148.987 |
| 99652 | Big Lake | 123 | 61.521, -149.954 |
| 99654 | Wasilla | 114 | 61.592, -149.396 |
| 99667 | Skwentna | 4,873 | 61.990, -151.398 |
| 99674 | Sutton | 1,880 | 61.733, -148.784 |
| 99676 | Talkeetna | 1,122 | 62.261, -150.110 |
| 99683 | Trapper Creek | 1,574 | 62.317, -150.231 |
| 99687 | Wasilla | no area | 61.531, -149.478 |
| 99688 | Willow | 1,677 | 61.897, -150.004 |
| 99694 | Houston | 26.9 | 61.630, -149.818 |
The ZIP code areas of Matanuska-Susitna Borough add up to about 12,234 square miles of land (31,686 sq km) as the Census Bureau draws them. The largest is 99667 (Skwentna), with 4,873 square miles.
Places with more than one code here: Wasilla (4 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Wasilla, AK 99623.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.