ZIP codes in Pittsburg County
22 ZIPs touch Pittsburg County, Oklahoma. The blue dashed line is the county border; orange ZIPs reach into it.
22
ZIP codes
10
cross the county line
61,456
people in these ZIPs
77
counties in OK
Most people
Pittsburg County ZIP list
More counties in Oklahoma
- Oklahoma County89
- Okmulgee County11
- Osage County24
- Ottawa County12
- Pawnee County12
- Payne County16
- Pontotoc County11
- Pottawatomie County18
- Pushmataha County16
- Roger Mills County9
- Rogers County14
- Seminole County11
Questions people actually ask
How many ZIP codes are in Pittsburg County, Oklahoma?
22 ZIP codes reach into Pittsburg County, including 3 PO Box or single-address ZIPs placed by the town they serve. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Pittsburg County has the most people?
74501 (Mcalester) has about 28,616 residents, the most of any ZIP touching Pittsburg County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Pittsburg County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Pittsburg County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
Keep exploring
Updated 2026-11-10 · Where the data comes from