Buy Postage Stamps in Lake County, CA

Post Offices and USPS-authorized retailers where postage stamps are sold in Lake County, CA.

All the locations below sell USPS postage stamps which can be used to mail First Class letters in the United States. We list both official post offices run by the United States Postal Service and retailers which have been authorized by USPS to sell postal products in Lake County.

Need to mail a letter? See Mailboxes and Post Offices in Lake County

Clearlake Post Office

14500 Olympic Dr
Clearlake, CA 95422
Clearlake Post Office is a full post office where stamps can be purchased.

Lower Lake Post Office

16165 Main St
Lower Lake, CA 95457
Lower Lake Post Office is a full post office where stamps can be purchased.

Clearlake Oaks Post Office

13280 E Highway 20
Clearlake Oaks, CA 95423
Clearlake Oaks Post Office is a full post office where stamps can be purchased.

Glenhaven Post Office

9530 Highway 20
Glenhaven, CA 95443
Glenhaven Post Office is a full post office where stamps can be purchased.

Cobb Post Office

16595 Highway 175
Cobb, CA 95426
Cobb Post Office is a full post office where stamps can be purchased.

Kelseyville Post Office

5500 Gaddy Ln
Kelseyville, CA 95451
Kelseyville Post Office is a full post office where stamps can be purchased.

Lucerne Post Office

6054 E Highway 20
Lucerne, CA 95458
Lucerne Post Office is a full post office where stamps can be purchased.

Finley Post Office

1904 Big Valley Rd
Finley, CA 95435
Finley Post Office is a full post office where stamps can be purchased.

Middletown Post Office

21177 Calistoga Rd
Middletown, CA 95461
Middletown Post Office is a full post office where stamps can be purchased.

Nice Post Office

3964 E State Hwy 20
Nice, CA 95464
Nice Post Office is a full post office where stamps can be purchased.

Lakeport Post Office

1151 11 Th St
Lakeport, CA 95453
Lakeport Post Office is a full post office where stamps can be purchased.

Upper Lake Post Office

9435 Main St
Upper Lake, CA 95485
Upper Lake Post Office is a full post office where stamps can be purchased.

Potter Valley Post Office

10210 Main St
Potter Valley, CA 95469
Potter Valley Post Office is a full post office where stamps can be purchased.

Safeway

14922 Olympic Dr
Clearlake, CA 95422
 
Safeway is a USPS-authorized retailer where postage stamps are sold.

Wal Mart Store

15960 Dam Rd
Clearlake, CA 95422
 
Wal Mart Store is a USPS-authorized retailer where postage stamps are sold.

CVS

949 11 Th St
Lakeport, CA 95453
 
CVS is a USPS-authorized retailer where postage stamps are sold.

Safeway

1071 11 Th St
Lakeport, CA 95453
 
Safeway is a USPS-authorized retailer where postage stamps are sold.