According to unnamed sources, US Cellular plans to start pre-orders for the LG G5 on March 28th, and the final retail launch date will be April 1st. Pricing for their version of the G5 will be $636 off contract. Alternaitively, US Cellular customers can split that up between 24 monthly payments, or get the phone for just $199 on a 2-year contract.
The source of this intel also revealed that US Cellular will include an extra battery, a cradle to charge the extra battery and a USB Type-C cable (for early buyers). Here's our dedicated LG G5 section for further discussion: LG G5
Source: Phandroid