Post office locations in 06820
| Post Office | Address | Phone | Hours |
| DARIEN | 30 CORBIN DR DARIEN, CT 06820 - 9998 | 203-655-2595 | Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 12:30 PM Sun Closed |
| NOROTON HEIGHTS | 264 HEIGHTS RD DARIEN, CT 06820 - 9994 | 203-655-0631 | Mon-Fri 09:00 AM - 11:00 AM 12:00 PM - 04:30 PM Sat-Sun Closed |