ZIP Code 73403 in Ardmore, OK

Data Last Updated: February 1, 2026
City:Ardmore, Oklahoma
County:Carter County
Timezone:Central (GMT -06:00)
Local Time:6:01:50 PM
Population:No Population Data
Area Code:580
Classification:PO Box
Coordinates:34.1744, -97.1434
Quick Link:
https://www.zip-codes.com/zip-code/73403/zip-code-73403.asp

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73403 - Ardmore, OK

ZIP Code 73403, Ardmore

Small Town Unique ZIP No Census Data
LocationCarter County, OK
Area0 sq mi Single Point
Delivery Points73 (24 businesses)
PO Boxes49
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 73401
Key Facts
  • This ZIP code is classified as PO Box only but includes street delivery to 34 units at a single address on 1st Avenue SW
  • The post office maintains 49 PO Boxes and serves 24 business delivery points
  • ZIP 73403 operates as a point location within the larger 73401 ZIP code that covers Ardmore
  • All street delivery records use UNIT designators, indicating a multi-unit building rather than separate houses
  • This is not a PO Box Only Zone, meaning alternative street delivery is available through the neighboring ZIP code

Postal Service Overview

ZIP 73403 serves a specific location in Ardmore, Oklahoma, operating as a point delivery site within the larger 73401 ZIP code area. This ZIP classification reflects a focused service model: the post office maintains 49 PO Boxes and provides delivery to a single street address, 1st Avenue SW, where 34 units receive mail.

Delivery Pattern

The delivery pattern shows this isn't a traditional neighborhood ZIP. All 34 street delivery records go to one address with multiple units, suggesting a multi-unit building such as an apartment complex or office building. The post office also serves 24 business delivery points, indicating commercial customers alongside the residential or office units.

Service Context

This ZIP has city carrier delivery available, which means it doesn't operate as a PO Box Only Zone. Residents and businesses in the broader Ardmore area receive street delivery through the neighboring 73401 ZIP code. The 73403 classification exists to manage mail for this specific building location and the customers who maintain PO Boxes at this facility.

Geographic Location

Ardmore sits in Carter County in south-central Oklahoma. The 73403 post office functions as a supplementary facility within the city's postal infrastructure, handling both box holder mail and delivery to the single multi-unit address on 1st Avenue SW.

Street Name Patterns

Single Building Multi Unit

Only one street address serves all 34 delivery points with unit designators.

Business & Employment Statistics


ZIP Code 73403 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:70Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 73403 is located in Carter County, Oklahoma, within the Ardmore, OK Metropolitan Statistical Area (CBSA 11620) and Oklahoma's 4th Congressional District. This Micro area has a population of 48,255 people, about 0.00% of whom live in ZIP Code 73403. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Ardmore, OKSource: Census
CBSA Number:11620Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:48,255Source: Census
MSA:Source: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:04Source: USPS
Congressional Land Area:9777.28 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4002600Source: Census
Place Name:Ardmore city; OklahomaSource: Census

Adjacent & Nearby ZIP Codes


73425 | | 73402

Schools in ZIP Code 73403


We could not locate which school district 73403 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Lincoln Es 615 Stanley Sw
Ardmore, OK 73401
District: Ardmore Public SchoolsNearby
Jefferson Es 333 Carter Street Se
Ardmore, OK 73401
District: Ardmore Public SchoolsNearby
Will Rogers Es 1441 N Washington
Ardmore, OK 73401
District: Ardmore Public SchoolsNearby
Charles Evans Es 1906 Harris
Ardmore, OK 73401
District: Ardmore Public SchoolsNearby
Plainview Ms 1140 South Plainview Road
Ardmore, OK 73401
District: Plainview Public SchoolsNearby
New Beginning Christian School 20 Broadlawn Shopping Ctr
Ardmore, OK 73401
District: Private SchoolNearby
Oak Hall Episcopal School 2815 Mount Washington Rd
Ardmore, OK 73401
District: Private SchoolNearby
Ardmore Adventist Academy 154 Beaver Academy Rd
Ardmore, OK 73401
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 73403


Southern Oklahoma Technology Center 2610 Sam Noble Parkway
Ardmore, OK 73401
Type: Post Secondary
Murray State College One Murray Campus
Tishomingo, OK 73460
Type: Post Secondary
North Central Texas College 1525 W California Street
Gainesville, TX 76240-4699
Type: Post Secondary
Grayson College 6101 Grayson Drive
Denison, TX 75020-8299
Type: Post Secondary
Durant Institute Of Hair Design 2836 West University Boulevard
Durant, OK 74701-3089
Type: Post Secondary
Southeastern Oklahoma State University 425 W University Blvd
Durant, OK 74701-3347
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov