What ZIP codes does Oklahoma use for mail and package delivery?

Oklahoma (OK) operates within the 5-digit ZIP prefix range 730xx–749xx. Mail routed to state capital Oklahoma City and key regional centers such as Oklahoma City, Tulsa, Norman adheres to these official USPS boundaries.

Which telephone area codes are valid for Oklahoma?

Oklahoma is served by 5 active North American Numbering Plan (NANPA) area codes: 405, 539, 572, 580, 918. Synthetic telephone numbers for Oklahoma use those area codes with a 555 exchange, which is reserved for fictitious use.

How many counties are in Oklahoma?

Oklahoma is divided into 77 counties, including major administrative regions such as Oklahoma, Tulsa, Cleveland, Comanche. Generated street addresses use those names.

What postal formatting conventions and addressing quirks are unique to Oklahoma?

Unique intersection of 38 federally recognized tribal jurisdictional nation territories across the state, alongside Oklahoma City and Tulsa orthogonal mile-grid street numbering. Panhandle low-density agricultural star route postal networks spanning 730xx–749xx. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.

Are the Oklahoma addresses generated on this page real places?

No. All street numbers, recipient names, and telephone numbers generated for Oklahoma are entirely synthetic and randomized for software testing, database seed scripts, and form validation. They use Oklahoma ZIP codes from public USPS data and real city names, but they do not correspond to real individuals or private residences.

Random Oklahoma Address Generator

These addresses are randomly generated for software testing. They are not real people’s details: the street number, unit and recipient name are invented, and no record is checked for deliverability.

Randomly generated Oklahoma mailing addresses for software testing, form validation and staging data. Each record pairs a real Oklahoma city with a ZIP prefix that serves it and the county that city sits in, then adds a street number, a secondary unit designator and a recipient name that are invented.

Official Oklahoma Postal & Geographic Reference Specifications

Geographic & Postal Parameter	Official State Specification	Standardization Reference
Postal State Abbreviation	OK	USPS Publication 28 & ISO 3166-2:US
5-Digit ZIP Prefix Range	730xx–749xx	USPS prefix-to-state assignment
Administrative Jurisdictions	77 Total Counties	US Census Bureau regional boundaries
Active Area Codes (NANPA)	`405, 539, 572, 580, 918` (5 total)	North American Numbering Plan Administrator
State Capital	Oklahoma City	US Census Bureau
Primary Time Zone	Central Time (America/Chicago, UTC-6 / UTC-5 DST)	IANA time zone database

Oklahoma Postal Geography & Key Cities

ZIP codes and Sectional Center Facilities are derived from public USPS ZIP code data, area codes from the North American Numbering Plan, and county names from US Census Bureau records. Street numbers and recipient names are synthetic, and nothing is checked against an address-verification service.

Cities the generator draws from:

Oklahoma City
Tulsa
Norman
Broken Arrow
Edmond

Key Counties & Administrative Jurisdictions

County boundaries determine local sales tax jurisdictions in Oklahoma:

Oklahoma County
Tulsa County
Cleveland County
Comanche County

Oklahoma Area Codes (OK)

Generated phone numbers use the area codes listed in the reference table above, paired with a 555 exchange so no number can reach a real line. Generate Oklahoma phone numbers.

Postal Delivery Standards & Format Nuances in Oklahoma

Unique intersection of 38 federally recognized tribal jurisdictional nation territories across the state, alongside Oklahoma City and Tulsa orthogonal mile-grid street numbering.
Panhandle low-density agricultural star route postal networks spanning 730xx–749xx.
Rural addresses commonly use the county-road grid rather than named streets ('12345 N County Road 3260'), so a form that insists on a conventional street name will reject a large share of genuine Oklahoma addresses.

Oklahoma Address Examples in USPS Publication 28 Format

Residential Delivery Point:
100 Main St, Apt 4B Oklahoma City, OK 73102-1204

Commercial / Multi-Unit Delivery Point:
Oklahoma Logistics & Software Corp 500 Enterprise Way, Suite 300 Tulsa, OK 74103-4810

Frequently Asked Questions about Oklahoma Addresses

What ZIP codes does Oklahoma use for mail and package delivery?: Oklahoma (OK) operates within the 5-digit ZIP prefix range 730xx–749xx. Mail routed to state capital Oklahoma City and key regional centers such as Oklahoma City, Tulsa, Norman adheres to these official USPS boundaries.
Which telephone area codes are valid for Oklahoma?: Oklahoma is served by 5 active North American Numbering Plan (NANPA) area codes: 405, 539, 572, 580, 918. Synthetic telephone numbers for Oklahoma use those area codes with a 555 exchange, which is reserved for fictitious use.
How many counties are in Oklahoma?: Oklahoma is divided into 77 counties, including major administrative regions such as Oklahoma, Tulsa, Cleveland, Comanche. Generated street addresses use those names.
What postal formatting conventions and addressing quirks are unique to Oklahoma?: Unique intersection of 38 federally recognized tribal jurisdictional nation territories across the state, alongside Oklahoma City and Tulsa orthogonal mile-grid street numbering. Panhandle low-density agricultural star route postal networks spanning 730xx–749xx. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.
Are the Oklahoma addresses generated on this page real places?: No. All street numbers, recipient names, and telephone numbers generated for Oklahoma are entirely synthetic and randomized for software testing, database seed scripts, and form validation. They use Oklahoma ZIP codes from public USPS data and real city names, but they do not correspond to real individuals or private residences.

Nearby & Bordering States

Explore test address generators for states sharing a geographic border with OK:

Oklahoma ZIP Prefixes

The first three digits of a ZIP code place an address within Oklahoma. These are the prefixes assigned to the state:

730xx, 731xx, 741xx

Which processing facility sorts a given prefix is set by the current USPS labeling list L005 and changes as processing is consolidated, so it is not reproduced here. Look up a ZIP prefix to see its state and generate ZIP codes inside it.