what is the zip code for north bay california
Below you will find a list of all the Zip Codes used for Northbay California Cities. Including: Mill Valley Zip Codes, San Rafael Zip Codes, Novato Zip Codes, Vallejo Zip Codes, and Petaluma Zip Codes. Mill Valley Zip Codes. Zip Code: 94941 City: Mill Valley County: Marin County Area Code: 415.