Post offices in the county of Napa, CA
Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.
American Canyon Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 10:00 AM 1:00 PM 2:00 PM 4:00 PM Tuesday 10:00 AM 1:00 PM 2:00 PM 4:00 PM Wednesday 10:00 AM 1:00 PM 2:00 PM 4:00 PM Thursday 10:00 AM 1:00 PM 2:00 PM 4:00 PM Friday 10:00 AM 1:00 PM 2:00 PM 4:00 PM Saturday 10:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-642-3071
Fax: 707-642-2957
Angwin Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 4:00 PM Tuesday 8:30 AM 4:00 PM Wednesday 8:30 AM 4:00 PM Thursday 8:30 AM 4:00 PM Friday 8:30 AM 4:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-965-2272
Fax: 707-965-1706
Calistoga Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 4:30 PM Tuesday 9:00 AM 4:30 PM Wednesday 9:00 AM 4:30 PM Thursday 9:00 AM 4:30 PM Friday 9:00 AM 4:30 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-942-6661
Fax: 707-942-6058
Franklin Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 5:00 PM Tuesday 9:00 AM 5:00 PM Wednesday 9:00 AM 5:00 PM Thursday 9:00 AM 5:00 PM Friday 9:00 AM 5:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-255-0621
Fax: 707-255-0241
Napa Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 5:00 PM Tuesday 8:30 AM 5:00 PM Wednesday 8:30 AM 5:00 PM Thursday 8:30 AM 5:00 PM Friday 8:30 AM 5:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-255-0190
Fax: 707-257-7041
Oakville Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:00 AM 12:00 PM 1:00 PM 4:00 PM Tuesday 8:00 AM 12:00 PM 1:00 PM 4:00 PM Wednesday 8:00 AM 12:00 PM 1:00 PM 4:00 PM Thursday 8:00 AM 12:00 PM 1:00 PM 4:00 PM Friday 8:00 AM 12:00 PM 1:00 PM 4:00 PM Saturday 8:00 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-944-2600
Fax: 707-944-8640
Pope Valley Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 1:00 PM 1:30 PM 3:00 PM Tuesday 8:30 AM 1:00 PM 1:30 PM 3:00 PM Wednesday 8:30 AM 1:00 PM 1:30 PM 3:00 PM Thursday 8:30 AM 1:00 PM 1:30 PM 3:00 PM Friday 8:30 AM 1:00 PM 1:30 PM 3:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-965-3701
Fax: 510-874-8544
Rutherford Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 1:00 PM 1:30 PM 4:00 PM Tuesday 8:30 AM 1:00 PM 1:30 PM 4:00 PM Wednesday 8:30 AM 1:00 PM 1:30 PM 4:00 PM Thursday 8:30 AM 1:00 PM 1:30 PM 4:00 PM Friday 8:30 AM 1:00 PM 1:30 PM 4:00 PM Saturday 9:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-963-7488
Fax: 510-874-8544
Saint Helena Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 5:00 PM Tuesday 9:00 AM 5:00 PM Wednesday 9:00 AM 5:00 PM Thursday 9:00 AM 5:00 PM Friday 9:00 AM 5:00 PM Saturday 10:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-963-2668
Fax: 510-874-8544
Veterans Home Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 1:00 PM Tuesday 9:00 AM 1:00 PM Wednesday 9:00 AM 1:00 PM Thursday 9:00 AM 1:00 PM Friday 9:00 AM 1:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-944-5090
Fax: 707-944-9653
Yountville Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 4:00 PM Tuesday 9:00 AM 4:00 PM Wednesday 9:00 AM 4:00 PM Thursday 9:00 AM 4:00 PM Friday 9:00 AM 4:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-944-2123
Fax: 707-944-9653