Diddams Party & Toy Store is here to help you throw a party that will make your guests go “Wow!” Our three locations are located in Mountain View CA, San Carlos CA, and San Mateo CA. Our services include balloon decor, balloon arches and balloon decorations, balloon arrangements, balloons, party supplies, costumes, candy, gift certificates, and toys. We serve our local area including cities such as: Mountain View CA, Sunnyvale CA, Santa Clara CA, Fruitdale CA, Campbell CA, Cambrian Park CA, Robertsville CA, Alamitos CA, Los Gatos CA, Saratoga CA, Cupertino CA, San Jose CA, Los Altos CA, Los Altos Hills CA, Portola Valley CA, Stanford CA, Palo Alto CA, Menlo Park CA, West Menlo Park CA, North Fair Oaks CA, East Palo Alto CA, Atherton CA, East Palo Alto CA, Redwood City CA, Emerald Hills CA, Woodside CA, San Carlos CA, Belmont CA, Bair Island CA, Foster City CA, San Mateo CA, Burlingame CA, Millbrae CA, San Bruno CA, Ponderosa Park CA, Permanente CA, West Santa Clara CA, Loyola CA, and more. We serve our local area including ZIP codes such as: 94002, 94010, 94019, 94022, 94024, 94025, 94028, 94030, 94040, 94041, 94043, 94061, 94062, 94063, 94065, 94066, 94070, 94085, 94086, 94087, 94089, 94128, 94301, 94303, 94304, 94305, 94306, 94401, 94402, 94403, 94404, 95002, 95014, 95050, 95051, 95053, 95054, 95110, 95117, 95129, 95130, 95134.