Santa Monica, United States Zip Code is 90409. Santa Monica is the state of United States. Here you can get the complete zip code of postal code, pin code detail Santa Monica, United States. Allpincode provied informative information to correctly send your mail, parcel or courier delivered to this particular address of Santa Monica, United States by using ZIP Code 90409.You just need to mention correct Zip code of Santa Monica 90409 to delver your mail to the addrress Santa Monica, United States. You can browse through our website to obtain the Santa Monica, ZIP code, postal code of any place or to locate the address of a specific ZIP code.