There are 8 United States Postal Service post boxes available to the public in Sylmar, CA. You can use any one of these locations to mail your letter or small package. For additional collection boxes in neighboring communities, see the list of post boxes in California.

Are you looking for a post office? See the list of post offices in Sylmar, CA.

Public Collection Box
14445 Olive View Dr
Directions
Public Collection Box
11950 Foothill Blvd
Directions
Mailbox in Post Office Lobby
13700 Foothill Blvd
Directions
Public Collection Box
13700 Foothill Blvd
Directions
Us Bank
13831 Foothill Blvd
Directions
Vons
13730 Foothill Blvd
Directions
CVS
12717 Glenoaks Blvd
Directions
Food 4 Less
12689 Glenoaks Blvd
Directions