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City ZIP codes · Arkansas

Arkadelphia, AR ZIP Codes

3 ZIP codes use the postal name Arkadelphia, Arkansas (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Arkadelphia's most populous ZIP code is 71923, with 14,875 people (ACS 2020-2024); 2% of its land is in the city of Arkadelphia.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Arkadelphia's ZIP codes?

71923: $56k median household income71998: – median household income71999: – median household income7192371923: $56k median household income71998: – median household income71999: – median household income7192371923: $56k median household income71998: – median household income71999: – median household income71923
The 3 residential ZIP codes named Arkadelphia, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 3 residential ZIP codes of Arkadelphia

Residential ZIP codes with the postal name Arkadelphia, AR, largest first (ACS 2020-2024); sort by any column
County
71923 Clark County 14,875 39 $56k $171k
71998 Clark County 669 9,041 – –
71999 Clark County 450 6,618 – –

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

Which counties do Arkadelphia's ZIP codes reach?

Arkadelphia's residential ZIP codes lie in 3 counties: Clark County (3 ZIP codes mainly there), Hot Spring County (part of a ZIP code), Dallas County (part of a ZIP code).

Which places do Arkadelphia's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Arkadelphia's residential ZIP codes cover Arkadelphia itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Arkadelphia's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Arkadelphia starts with 719.

Three-digit prefixes of Arkadelphia's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Arkadelphia's
PrefixSectional centerHereAll codes
719 Little Rock, AR (SCF 720) 3 44

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.