Call local animal control officer/police/township building
Place an advertisement in the newspaper
Call local veterinarians
Make posters with picture of your pet and post them in the neighborhood and ask people in the neighborhood.
If you live in Middletown township or think you lost your pet in the township, the township maintains a stray kennel where they take dogs that are found loose in the township. When an owner cannot be located they then take it to the Bucks county SPCA
Here are things you can do if you found a pet :
Ask around in the neighborhood
Place a found pet Ad in the local newspaper.
Make posters and place in the neighborhood
Call the township
Call the SPCA
TO REPORT A LOST OR FOUND DOG go to PAlostdog.com . If the dog has a license the post will stay up till dog is returned. If it does not have a license, the post will be removed after one week.