Oklahoma City (OKC) does not use a single zip code for its entire metropolitan area. Instead, the city is served by a complex network of over 75 unique zip codes, most of which begin with the prefix 731. Because Oklahoma City is one of the largest cities in the United States by land area, spanning across Oklahoma, Canadian, Cleveland, and Pottawatomie counties, identifying the correct zip code requires knowing the specific street address and neighborhood.

Most residential and business addresses in Oklahoma City fall within the range of 73101 to 73199. However, because the city limits overlap with several neighboring suburbs and rural zones, you may also encounter zip codes starting with 730 or 748 depending on the exact boundary lines.

The Core Oklahoma City Zip Code Series: 731xx

The 731 prefix is the identity of Oklahoma City’s postal system. For anyone sending mail, moving to the area, or setting up utilities, understanding the distribution of these codes is essential for ensuring accurate delivery and service.

Central and Downtown Oklahoma City

The heart of the city is characterized by high-density business districts, historical neighborhoods, and the state's political hub.

  • 73102: This zip code covers the central business district and the downtown core. It is the hub of OKC’s skyline, including the Devon Tower and the Myriad Botanical Gardens. With a population that balances professional offices and luxury apartments, 73102 is the definitive "urban" code of Oklahoma City.
  • 73103: Moving slightly north into Midtown and Heritage Hills, 73103 represents a blend of historic preservation and modern revitalization. It is one of the most walkable areas in the city, known for its eclectic dining scene and preserved mansions from the early 20th century.
  • 73104: This area includes Bricktown and the Innovation District. It is home to the city’s major entertainment venues, the Chickasaw Bricktown Ballpark, and the University of Oklahoma Health Sciences Center. It is a critical zone for both tourism and medical research.
  • 73105: Surrounding the Oklahoma State Capitol, 73105 is the center of state government. It includes the Capitol complex and various state agencies, as well as the historic Lincoln Terrace neighborhood.

Northwest Oklahoma City Neighborhoods

Northwest OKC is one of the most populous and commercially active regions, stretching from the inner city to the suburban fringes near Lake Hefner.

  • 73112: This code encompasses the Belle Isle area and the Penn Square Mall. It is a major retail corridor with a mix of mid-century residential pockets. It serves as a central artery for residents traveling between the northern suburbs and downtown.
  • 73118: Covering the Shartel and Uptown 23rd Street districts, 73118 is a hotspot for local culture, featuring the historic Gold Dome and some of the city’s most popular independent restaurants.
  • 73120: This zip code includes "The Village," a distinct municipality entirely surrounded by Oklahoma City, as well as parts of the affluent Nichols Hills area. It is highly sought after for its established community feel and proximity to high-end shopping at Classen Curve.
  • 73132 and 73162: These codes serve the rapidly growing residential areas near Lake Hefner and the Northwest Expressway. They are popular with families due to the concentration of modern housing developments and access to recreational trails around the lake.

South Oklahoma City and Moore Overlap

South OKC is known for its diverse culture, industrial growth, and its proximity to the city of Moore.

  • 73139: Located along the I-240 corridor, this area is a commercial powerhouse for South OKC, featuring numerous auto dealerships, shopping centers, and residential neighborhoods.
  • 73159 and 73170: These zip codes represent the southernmost reach of the city, bordering the city of Moore. They are characterized by large suburban subdivisions and are among the fastest-growing residential sectors in the metro area.
  • 73160: While often associated with the city of Moore, parts of Oklahoma City limits bleed into this zip code. It is an area that has seen significant rebuilding and modernization over the last two decades.

Why Oklahoma City Zip Codes Span Multiple Counties

One of the most confusing aspects of the Oklahoma City postal system is its geographic reach. Unlike many cities that are contained within a single county, OKC’s boundaries are expansive.

Oklahoma County

The majority of the city’s infrastructure and its most famous zip codes (73102 through 73130) reside here. This is the traditional "core" of the city.

Canadian County

As the city expands westward, zip codes like 73099 (Yukon) and 73127 often include addresses that are legally within Oklahoma City limits but are served by post offices in Canadian County. This westward expansion has led to the development of massive logistics hubs and new residential communities.

Cleveland County

South Oklahoma City extends deep into Cleveland County, sharing zip codes with Moore (73160) and Norman (73071, 73072). If you live in South OKC, your mailing address might say Oklahoma City, but your property taxes and school district might be tied to Cleveland County.

Pottawatomie County

A small, primarily rural portion of Oklahoma City extends into Pottawatomie County to the far east. This area uses different zip code prefixes, such as 74851 (McLoud) or 74857 (Newalla).

Specialized and High-Traffic Zip Codes in OKC

Beyond residential areas, certain zip codes in Oklahoma City are dedicated to specific institutions or high-volume facilities.

  • 73145 (Tinker Air Force Base): As one of the largest employers in the state, Tinker AFB has its own postal identity. Mail directed to military personnel or the various maintenance wings on base uses the 73145 code to ensure security and efficiency.
  • 73125 and 73126: These are often used for PO Boxes or specific government entities located within the downtown federal buildings.
  • 73195 (Will Rogers World Airport): The airport and the surrounding air cargo facilities operate under their own logistical framework, often utilizing 73195 for specialized aviation-related mail and freight services.
  • 73169: This code covers the southwestern rural-to-suburban transition area near the airport, including the Mike Monroney Aeronautical Center (FAA).

How to Verify Your 9-Digit Zip+4 Code

In a city as spread out as Oklahoma City, the standard 5-digit zip code is often not enough for precision mailing. The USPS uses a "Zip+4" system to identify a specific side of a street or a particular building.

The Importance of the Extra Four Digits

Using the +4 extension in OKC can significantly speed up mail delivery. In high-rise buildings like those in 73102 (Downtown), different floors or business suites might have unique +4 extensions. Similarly, in large apartment complexes in 73132 (Northwest), the +4 code helps the mail carrier identify the exact cluster box or building wing.

Tools for Accuracy

To find the exact +4 code for an Oklahoma City address, the United States Postal Service (USPS) Zip Code Lookup tool remains the gold standard. By entering the house number, street name, and city, users can generate the standardized address format required for official documents, legal filings, and shipping.

Major Post Office Locations in Oklahoma City

Oklahoma City is served by approximately 18 main post office branches and dozens of contract units. Knowing which branch serves your zip code is important for picking up "signature required" packages or accessing PO Boxes.

  1. Center City Station (73102): Located at 305 NW 5th St, this is the primary hub for downtown business mail.
  2. Hefner Station (73162): Located at 7800 W Hefner Rd, this branch serves the densely populated Northwest corridor.
  3. Shartel Station (73118): Located at 5300 N Shartel Ave, it is a key location for the Uptown and Western Avenue districts.
  4. Penn 89 Station (73159): Located at 9201 S Pennsylvania Ave, it handles the bulk of the mail for the southwestern residential neighborhoods.
  5. Britton Station (73114): Serving the North OKC and Britton areas, located at 301 W Britton Rd.

Demographic Trends Across OKC Zip Codes

The distribution of zip codes in Oklahoma City also reflects the city’s socio-economic diversity. Based on recent census data, certain zip codes stand out for their density and growth.

  • Most Populous: 73160 (Moore/South OKC area) and 73170 frequently report the highest population counts, reflecting the suburban boom in the southern part of the metro.
  • Fastest Growing: Zip codes in the 73162 and 73134 (Quail Springs area) ranges have seen explosive growth as new apartment complexes and commercial developments move north toward the Kilpatrick Turnpike.
  • Business Density: 73102 and 73104 have the highest concentration of corporate headquarters and research facilities, although their permanent residential populations are lower than suburban codes.

What is the zip code for Oklahoma City?

This is a common question that often leads to confusion. Because there is no single code, the answer is always a range. If you are filling out a form that requires a general code for the city and do not have a specific address, 73101 is often used as the generic placeholder for the "Main" Oklahoma City post office, though it is primarily for PO Boxes.

For physical locations, you must match the neighborhood to the code:

  • Downtown: 73102
  • Midtown: 73103
  • Capitol: 73105
  • Northwest: 73112, 73120, 73132
  • South: 73139, 73159, 73170
  • East: 73117, 73121

How to avoid mailing errors in Oklahoma City

Given the city's vastness, it is easy to make mistakes when addressing mail to OKC.

Distinguishing Between OKC and Suburbs

Many addresses have an "Oklahoma City" mailing address but are located in separate municipalities like The Village (73120), Warr Acres (73122), or Nichols Hills (73116). Conversely, some addresses in Edmond (73012) or Moore (73160) are technically within the city limits of Oklahoma City. Always use the zip code as the primary guide rather than the city name.

Directional Indicators

Oklahoma City is laid out on a grid. Streets are often designated as North (N), South (S), East (E), or West (W). Forgetting a directional indicator in a zip code like 73107 can result in your mail being sent to the opposite side of town. For example, NW 10th Street and SW 10th Street are miles apart, even though they share similar street numbers.

Overlapping County Boundaries

Because OKC spans four counties, verify the zip code if you are dealing with government services. A 73170 address in South OKC is in Cleveland County, which means a different courthouse and different local services than a 73102 address in Oklahoma County.

Summary of Oklahoma City Zip Codes

Oklahoma City’s postal landscape is as diverse as its geography. With the 731 prefix serving as the foundation, the city utilizes dozens of specific codes to manage its urban core, sprawling suburbs, and specialized military and aviation zones. Whether you are navigating the historic streets of 73103 or the modern developments of 73170, using the precise zip code and the +4 extension is the best way to ensure accuracy in this major American metropolitan hub.

FAQ: Frequently Asked Questions About OKC Zip Codes

What is the most common zip code in Oklahoma City?

There isn't one "most common" code, but 73112, 73120, and 73160 are among the most frequently used due to their high residential and commercial density.

Does Oklahoma City have a 730 zip code?

Yes. While 731 is the primary prefix for the city proper, many areas within the Oklahoma City limits, especially on the western and northern fringes, use 730 prefixes associated with suburbs like Yukon, Edmond, or Mustang.

How many zip codes are in Oklahoma City?

Depending on how you define the city limits versus the metropolitan area, there are between 75 and 85 zip codes that serve the Greater Oklahoma City area.

What is the zip code for downtown Oklahoma City?

The primary zip code for the downtown business district is 73102. Neighboring areas like Midtown and Bricktown use 73103 and 73104, respectively.

Is Edmond part of the Oklahoma City zip code system?

Edmond has its own set of zip codes, primarily 73003, 73012, 73013, and 73034. However, many people living in North Oklahoma City (73134 or 73142) are in the Edmond Public Schools district, which often leads to confusion.