ZIP code · Seward · Alaska · United States
ZIP code 99664 — Seward
ZIP code 99664 serves Seward, Alaska.
- Postal code
- 99664Single source Value from one source, not cross-checked.
- City
- Seward
- County
- Kenai Peninsula FIPS 02122
- State
- Alaska
- Country
- United States
- Coordinates
- 60.1329, -149.3985 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 4,296 (ZCTA, ACS 5-year)
- Population density
- 2 / sq mi
- Land area
- 2,688.3 sq mi (6,962.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $83,101
- Per-capita income
- $38,696
- Median age
- 43.2
- Households
- 1,633
- Housing units
- 2,171
- Median home value
- $335,500
- Median gross rent
- $1,158 / month
- Congressional district
- AK At-large (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Anchorage (UTC−9 / UTC−8 DST)
- Area code
- 907Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 99664 with another ZIP · ZIPs within 25 miles · distance from 99664
Nearby localities
Map of ZIP code 99664
Climate — monthly normals
Warmest month Jul (avg high 62°F), coldest Jan (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 34 | 37 | 45 | 53 | 59 | 62 | 62 | 56 | 46 | 36 | 33 |
| Avg low °F | 21 | 24 | 25 | 32 | 39 | 46 | 50 | 50 | 43 | 35 | 27 | 23 |
| Precip in | 6.5 | 6.3 | 3.9 | 4.3 | 3.5 | 2.3 | 3.1 | 5.4 | 9.9 | 8.7 | 7.6 | 8.2 |
NOAA 1991–2020 climate normals from the nearest station: SEWARD AP (0.7 mi) · NOAA NCEI
Places in ZIP 99664
- 3 schools
- 1 colleges & universities
- 1 hospitals & clinics
- 1 doctors & dentists
- 2 supermarkets
- 30 restaurants & cafés
- 5 bars & pubs
- 6 parks
- 2 playgrounds
- 1 libraries
- 1 post offices
- 3 places of worship
- 3 gas stations
- 1 EV charging stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page