Post office locations in 19938
| Post Office | Address | Phone | Hours |
| CLAYTON | 12 RAILROAD AVE CLAYTON, DE 19938 - 9998 | 302-653-7376 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:30 AM - 12:30 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| CLAYTON | 12 RAILROAD AVE CLAYTON, DE 19938 - 9998 | 302-653-7376 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:30 AM - 12:30 PM Sun Closed |