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

Oklahoma (OK) operates within the 5-digit ZIP prefix range 730xx–749xx, covering numeric postal codes from 73001 – 74966. 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 generated for Oklahoma reflect these verified regional area code assignments across state jurisdictions.

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 reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.

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. While they use authentic Oklahoma ZIP codes (730xx–749xx), real city names (Oklahoma City, Tulsa), and verified area codes (405, 539), they do not correspond to real individuals or private residences.

Random Oklahoma Address Generator

Oklahoma ZIP codes span the 730xx–749xx range (73001 – 74966) across 77 counties with 5 active telephone area codes (405, 539, 572, 580, etc.).

Generate a realistic, USPS Publication 28-compliant random Oklahoma address with authentic postal routing, real ZIP codes, and local area codes. Featuring verified ZIP prefix coverage across 730xx–749xx, realistic street grids from Oklahoma City and Tulsa, official area codes (405, 539, 572, 580), and accurate county assignments. Engineered specifically for QA automation, form validation, and software testing.

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 Sectional Center Facilities (SCFs)
5-Digit ZIP Numeric Span	`73001 – 74966`	Lowest to highest active postal delivery codes
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
Capital & Distribution Centers	Oklahoma City (Capital), Oklahoma City, Tulsa, Norman	Primary municipal carrier distribution hubs
Primary Time Zone	Central Time (America/Chicago, UTC-6 / UTC-5 DST)	Regional postal dispatch & timestamp alignment
Authoritative Validation Source	Oklahoma Corporation Commission & NANPA	Official state regulatory authority

Oklahoma Postal Geography & Key Cities

State Capital: Oklahoma City | Postal Code: OK | Total Counties: 77 Counties | ZIP Prefix Range: 730xx–749xx

Verified Data Authority: Oklahoma Corporation Commission & NANPA

Major municipal distribution centers:

Oklahoma City
Tulsa
Norman
Broken Arrow
Edmond

Key Counties & Administrative Jurisdictions

County boundaries dictate local sales tax jurisdictions and carrier route groupings across Oklahoma:

Oklahoma County
Tulsa County
Cleveland County
Comanche County

Real Oklahoma Area Codes (OK)

5 active numbering plan area (NPA) codes serving 77 jurisdictions across Oklahoma.

Active North American Numbering Plan area codes: 405, 539, 572, 580, 918

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.

Standard USPS Publication 28 Test Examples for Oklahoma

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, covering numeric postal codes from 73001 – 74966. 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 generated for Oklahoma reflect these verified regional area code assignments across state jurisdictions.
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 reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.
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. While they use authentic Oklahoma ZIP codes (730xx–749xx), real city names (Oklahoma City, Tulsa), and verified area codes (405, 539), 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 and Sectional Center Facilities

Mail addressed to Oklahoma is sorted through the processing facilities below before local delivery. The first three digits of a ZIP code identify which one, so the prefix alone places an address within the state.

ZIP prefix	Sectional Center Facility	County
730xx	Norman / Edmond	Cleveland County
731xx	Oklahoma City	Oklahoma County
741xx	Tulsa	Tulsa County

These 3 prefixes cover the 730xx–749xx range. Look up any ZIP prefix to see its facility and generate valid ZIP codes inside it.