Post office locations in 19938
| Post Office | Address | Phone | Hours |
| CLAYTON | 12 RAILROAD AVE CLAYTON, DE 19938 - 9998 | 302-653-7376 | Mon-Fri 8:30am - 5:00pm Sat 8:30am - 12:30pm Sun Closed |
| Post Office | Address | Phone | Hours |
| CLAYTON | 12 RAILROAD AVE CLAYTON, DE 19938 - 9998 | 302-653-7376 | Mon-Fri 8:30am - 5:00pm Sat 8:30am - 12:30pm Sun Closed |