Welcome to SMASH Wireless! Questions: Please call us today, stop in one of our stores, or email us at sales@smashwireless.com Retail Center: SMASH Wireless, 906 E Center St Milwaukee, WI 53212. 414-372-4555. Corporate Center: 702-278-3404 Shipping Rates: All shipping rates are quoted for domestic and international orders. Please see our USPS, UPS, FedEX and COD shipping carts for rates.