ZIP code · Arkadelphia · Arkansas · United States
ZIP code 71998 — Arkadelphia
ZIP code 71998 serves Arkadelphia, Arkansas.
- Postal code
- 71998Single source Value from one source, not cross-checked.
- City
- Arkadelphia
- County
- Clark FIPS 05019
- State
- Arkansas
- Country
- United States
- Coordinates
- 34.1209, -93.0538 — precision precise (locality)
View on OpenStreetMap - Population
- 731 (ZCTA, ACS 5-year)
- Population density
- 9,965 / sq mi
- Land area
- 0.1 sq mi (0.2 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $3,495
- Median age
- 20.2
- Households
- 0
- Housing units
- 0
- Congressional district
- AR-4 (119th Congress)
- USDA hardiness zone
- 8a (10 to 15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 870Telephone 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 71998 with another ZIP · ZIPs within 25 miles · distance from 71998
Map of ZIP code 71998
Climate — monthly normals
Warmest month Aug (avg high 94°F), coldest Jan (avg low 31°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 55 | 59 | 68 | 76 | 83 | 90 | 94 | 94 | 88 | 78 | 65 | 57 |
| Avg low °F | 31 | 34 | 42 | 50 | 60 | 68 | 71 | 70 | 63 | 51 | 40 | 34 |
| Precip in | 4.0 | 4.2 | 4.9 | 5.3 | 6.6 | 3.9 | 4.1 | 3.3 | 3.8 | 4.9 | 4.4 | 5.4 |
NOAA 1991–2020 climate normals from the nearest station: ARKADELPHIA 2 N (1.6 mi) · NOAA NCEI
Places in ZIP 71998
- 2 restaurants & cafés
- 1 libraries
- 1 places of worship
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