Post Offices List in Gary City, Indiana:
| 15th Avenue Post Office | 1490 Broadway, Gary, IN 46407 |
| Glen Park Post Office | 320 E 40th Ave, Gary, IN 46409 |
| Miller Post Office | 518 S Hancock St, Gary, IN 46403 |
| Tolleston Post Office | 2407 W 11th Ave, Gary, IN 46404 |
| Gary Post Office | 1499 Martin Luther King Dr, Gary, IN 46401 |