View the list of Sample Business Letters Announcement of Additional Location Disclaimer: Be aware that some of these sample letters have legal, financial, or other implications. If you are not sure about the use of any letter, consult with an appropriate professional first. Announcement of Additional Location Chambers Insurance Company is pleased to announce the addition of a new location for your convenience Our address is: 4500 4th Street North St. Petersburg, Florida 33702 Telephone (813) 546-6941