Contact Us at Diddams

For Balloons inquiries, call us at (650) 965-0138.

For Banners and T-shirtsinquiries, call us at (650) 965-0138 or email us at banners@diddams.com

For inquiries about speficic store, please call the store number found at the Store Locator.

If you would like to know where our stores are located, please visit our Store Locator.

If you are interested in career opportunities with our company, please click here to find available positions in your area.

You may also contact our corporate headquarters by writing to us at:

Diddams Party and Toys

1952 W El Camino Real

Moutain View, CA 94040

(650) 965-0138


Contact us