ZIP code · Glennallen · Alaska · United States
ZIP code 99588 — Glennallen
ZIP code 99588 serves Glennallen, Alaska.
- Postal code
- 99588Single source Value from one source, not cross-checked.
- City
- Glennallen
- County
- Copper River Census Area FIPS 02066
- State
- Alaska
- Country
- United States
- Coordinates
- 62.1039, -145.6617 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 1,138 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 3,506.9 sq mi (9,082.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $81,759
- Per-capita income
- $39,678
- Median age
- 39.9
- Households
- 498
- Housing units
- 1,317
- Median home value
- $236,700
- Median gross rent
- $1,356 / month
- Congressional district
- AK At-large (119th Congress)
- USDA hardiness zone
- 2b (-45 to -40 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- 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 99588 with another ZIP · ZIPs within 25 miles · distance from 99588
Nearby localities
Map of ZIP code 99588
Climate — monthly normals
Warmest month Jul (avg high 70°F), coldest Jan (avg low -14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 4 | 15 | 28 | 45 | 58 | 67 | 70 | 65 | 55 | 37 | 14 | 6 |
| Avg low °F | -14 | -9 | -2 | 19 | 31 | 41 | 46 | 42 | 32 | 16 | -4 | -11 |
| Precip in | 0.7 | 0.8 | 0.4 | 0.2 | 0.7 | 1.5 | 1.7 | 1.8 | 1.4 | 0.8 | 1.2 | 0.8 |
NOAA 1991–2020 climate normals from the nearest station: GENNALLEN KCAM (4.2 mi) · NOAA NCEI
Places in ZIP 99588
- 1 schools
- 1 hospitals & clinics
- 2 supermarkets
- 6 restaurants & cafés
- 1 bars & pubs
- 1 parks
- 1 libraries
- 2 places of worship
- 2 banks
- 8 gas stations
- 1 EV charging stations
- 2 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