Plain

City ZIP codes · Oklahoma

Enid, OK ZIP Codes

5 ZIP codes use the postal name Enid, Oklahoma (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 2 for PO boxes or a single organization. Median household income runs from $50,843 in 73701 to $73,333 in 73703, 1.4 times as much (Census Bureau, ACS 2020-2024). Enid's most populous ZIP code is 73703, with 30,556 people (ACS 2020-2024); 28% of its land is in the city of Enid.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Enid's ZIP codes?

73701: $51k median household income73703: $73k median household income73705: – median household income737017370373701: $51k median household income73703: $73k median household income73705: – median household income737017370373701: $51k median household income73703: $73k median household income73705: – median household income7370173703
The 3 residential ZIP codes named Enid, 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).

How different are Enid's ZIP codes?

The highest median household income is in 73703 ($73,333), the lowest in 73701 ($50,843). Home values run from $100,900 in 73701 to $196,300 in 73703.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of Enid

Residential ZIP codes with the postal name Enid, OK, largest first (ACS 2020-2024); sort by any column
County
73703 Garfield County 30,556 268 $73k $196k
73701 Garfield County 24,476 169 $51k $101k
73705 Garfield County 359 721 – –

Download the 5 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).

PO Box and single-organization ZIP codes in Enid

2 ZIP codes named Enid have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Enid, OK: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
73702Garfield County
73706Garfield County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Enid's ZIP codes reach?

Enid's residential ZIP codes lie in 2 counties: Garfield County (3 ZIP codes mainly there), Grant County (part of a ZIP code).

Which places do Enid's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Enid's residential ZIP codes cover Enid 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 Enid'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 Enid starts with 737.

Three-digit prefixes of Enid'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 Enid's
PrefixSectional centerHereAll codes
737 Oklahoma City, OK (SCF 730) 5 51

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