Lyons Post Office
23742 Lyons Ave, Newhall, CA 91321
Retail Hours
| Sunday | Closed |
| Monday | 10:00 AM - 5:00 PM |
| Tuesday | 10:00 AM - 5:00 PM |
| Wednesday | 10:00 AM - 5:00 PM |
| Thursday | 10:00 AM - 5:00 PM |
| Friday | 10:00 AM - 5:00 PM |
| Saturday | 10:00 AM - 3:00 PM |
Contact Info
| Phone | 661-253-0771 |
| Fax | 661-254-7318 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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