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Middletown California Post Office Facts

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Here are essential facts about the Middletown California Post Office. 

Middletown, California is a small community in the Sacramento Valley that is home to less than 2000 people.

The town was founded in 1871 after the discovery of gold in the area and has been a center of agriculture and commerce ever since.

While it may be small, Middletown is rich in history and culture, and its residents are fiercely proud of their community.

If you’re looking for an authentic small-town experience, Middletown is definitely worth a visit.

What County is Middletown California In?

Middletown is located in Southern Lake County in Northern California on Hwy 29 between Lower Lake and Calistoga.

The Middletown California Post Office is located at

21177 Calistoga Road
Middletown CA 95461

The post office is located on Calistoga Road, Highway 29 and Armstrong Street.

Middletown California Post Office Contact Details

Phone – 707-987-3201

Middletown Post Office Hours

Monday thru Friday, 9 am to 5 pm.
Saturday – CLOSED
Sunday – CLOSED

Lobby Hours: Open 24 hours a day, seven days a week.
PO Box Access Hours: Open 24 hours a day, seven days a week.

Tracking Packages With the Middletown Branch of USPS

Services Available at Middletown, CA USPS

  • PO Box Rentals
  • Money Orders
  • General Delivery
  • Bulk Mail Acceptance
  • Pickup / Hold Mail
  • Burial Flags

What’s the Zip Code For Middletown California?

The zip code for Middletown, CA is 95461.

Cobb Post Office
Cobb Post Office

What’s Are the Zip Codes for Neighboring Cities Near Middletown California?

City / TownMiles From Middletown, CAZip Code
Hidden Valley Lake, CA 6.1 miles95467
Cobb, CA8.0 miles95426
Lower Lake, CA14.7 miles95457
Clearlake, CA18.5 miles95422
Calistoga, CA17.3 miles94515
Kelseyville, CA22.2 miles95451
Lakeport, CA28.9 miles95453
Santa Rosa, CA32.6 miles95401
Napa, CA46.0 miles94558
Ukiah, CA64.2 miles95482
Sacramento, CA88.7 milesClick Here
San Francisco, CA 91.8 milesClick Here
Yosemite National Park, CA211.1 miles95389
Middletown CA to Various Locations

Middletown California Weather


What is the Elevation of Middletown California?

The elevation in Middletown is 1,099′.

Middletown CA Places to Stay

Middletown is small, with a population of 1,323. However, there are a few places to stay in Middletown.

Twin Pines Casino

The most popular option when staying in Middletown is Twin Pines Casino. Twin Pines Casino is located 1.7 miles from the Middletown California post office. The casino is open 24 hours a day, seven days a week.

Twin Pines Casino Middletown CA Amenities:

  • Contact number (707) 987-0297 or 1-800-564-4872
  • Address:
    22223 Highway 29
    Middletown, CA 95461
  • Email – [email protected]
  • Twin Pines Casino Website –
  • Manzanita restaurant inside casino
  • Grapevine bar and lounge inside casino
  • Casino is open 24 hours a day / 7 days a week
  • Casino features:
    • Slots
    • Double deck blackjack
    • 6 deck shoe blackjack
    • Three card super shot poker
  • Twin Pines is a nonsmoking facility
  • Covid-19 precautions – read about them here.
  • Hotel has 59 rooms, including 3 luxury suites (1,100 sf)
  • Deluxe suites are available with double queens or a king in 525 sf
  • Due to covid precautions room service, business center, and the fitness center are currently not available
  • Free wifi

Eagle & Rose Inn, Middletown

The Middletown Eagle & Rose Inn is located 0.2 miles from the post office. This inn is located on Hwy 29 in the town of Middletown.

Eagle & Rose Inn Middletown CA Amenities:

  • Phone number 707-987-7330
  • Address:
    21299 Calistoga St
    Middletown, CA 95461
  • Email – [email protected]
  • Eagle & Rose Inn is a nonsmoking Inn
  • 22 hotel rooms
  • Rooms they offer:
    • Deluxe king room
    • Delux queen room
    • Standard queen room
    • Full room
    • Quad room – one queen and one full
    • Triple room – one queen and one twin
    • Single room – one twin or trundle bed
  • Free wifi
10 1925 harbin hot springs swimming pool 1536x969.jpg

Harbin Hot Springs Middletown, CA

Harbin Hot Springs Address
18424 Harbin Springs Road
Middletown, CA. 95461

Harbin Hot Springs hours

Harbin Reservations
707-987-2477 – phones are answered seven days a week from 9 am to 4 pm

No pets are allowed, only ADA dogs.

For more Harbin Hot Springs reservation information, click here.

Harbin VisitMonday-ThursdayFriday, Saturday,
Sunday & Holiday
Membership is required by at least one person in party. Month trial $10, Yearly $30, Lifetime $300
Under 6 hours per adult
Over 6 hours per adult
Creekside Caravan (double occupancy)
Grove Cottage (double occupancy)
Domes (double and single occupancy)
No children allowed
Harbin Hot Springs Middletown CA Accomodation Rates

Harbin Hot Springs Massage

For Massage Appointments call:
707-987-2477, ext 2
9:30 am to 7 pm
Friday thru Monday

Harbin Hot Springs Camping

Habrin currently has travel trailers for rent. They call them Creekside Caravans.

Harbin Hot Springs Promo Code

What is Middletown, CA Zip Code?

The Middletown postal code is 95461.

Where is The Post Office In Middletown CA?

The Middletown, CA post office is located at 21177 Calistoga Rd, Middletown, CA 95461. Calistoga Rd is on Hwy 29.

If you’re looking for an interesting day trip, be sure to check out the Middletown California post office. This quaint little post office is located in the heart of wine country and is surrounded by some of the most beautiful scenery in Northern California.

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