Q= Once my letters are mailed, how long does it take for calls to start coming in?

A = All of our letters mail with Standard Class Postage. This is what was formally referred to as "bulk" mail. The United States Postal Service does not guarantee a specific delivery timeframe for Standard Class Mailings. Mail can be delivered in a few days - or it could take up to 2 or 3 weeks, depending on the volume of First Class Mail in the postal system at that time.