ZIP Code 74821 is located in Ada Oklahoma. 74821 is entirely within Pontotoc County. Regionally, it is located in the Sherman-Ada Area.
| ZIP Code Name | Ada |
| Primary County | Pontotoc County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 34.77337646,-96.67789459 |
| Adjacent ZIP Codes | |
| Region | Sherman-Ada Area |
| Metropolitan/Micropolitan Stat Area | Ada, OK |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |