ZIP code · Anchorage · Alaska · United States
ZIP code 99503 — Anchorage
ZIP code 99503 serves Anchorage, Alaska.
- Postal code
- 99503Single source Value from one source, not cross-checked.
- City
- Anchorage
- County
- Anchorage Municipality FIPS 02050
- State
- Alaska
- Country
- United States
- Coordinates
- 61.1900, -149.8938 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 12,944 (ZCTA, ACS 5-year)
- Population density
- 626 / sq mi
- Land area
- 20.7 sq mi (53.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,888
- Per-capita income
- $47,246
- Median age
- 37
- Households
- 6,071
- Housing units
- 7,411
- Median home value
- $316,700
- Median gross rent
- $1,185 / month
- Congressional district
- AK At-large (119th Congress)
- USDA hardiness zone
- 3a (-40 to -35 °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 99503 with another ZIP · ZIPs within 25 miles · distance from 99503
Nearby localities
Map of ZIP code 99503
Climate — monthly normals
Warmest month Jul (avg high 68°F), coldest Jan (avg low 8°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 23 | 28 | 34 | 47 | 58 | 66 | 68 | 66 | 57 | 43 | 29 | 25 |
| Avg low °F | 8 | 12 | 17 | 30 | 41 | 50 | 54 | 51 | 43 | 30 | 16 | 11 |
| Precip in | 0.5 | 0.7 | 0.5 | 0.3 | 0.6 | 1.0 | 1.7 | 2.5 | 3.0 | 1.6 | 0.9 | 0.9 |
NOAA 1991–2020 climate normals from the nearest station: ANCHORAGE MERRILL FLD (2.2 mi) · NOAA NCEI
Places in ZIP 99503
- 5 schools
- 9 hospitals & clinics
- 14 doctors & dentists
- 3 pharmacies
- 7 supermarkets
- 105 restaurants & cafés
- 9 bars & pubs
- 10 parks
- 14 playgrounds
- 9 gyms & sports centres
- 1 libraries
- 1 post offices
- 11 places of worship
- 16 banks
- 8 gas stations
- 1 EV charging 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