ZIP Code 73403 is located in Ardmore Oklahoma. 73403 is entirely within Carter County. Regionally, 73403 is located in the Sherman-Ada Area.
| ZIP Code Name | Ardmore |
| Primary County | Carter County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 34.17182541,-97.13147736 |
| Adjacent ZIP Codes | |
| Region | Sherman-Ada Area |
| Metropolitan/Micropolitan Stat Area | Ardmore, OK |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |