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5 years ago
Have you checked sheds, garages, etc...? Also if you have a regular feeding time, get some sardines or a roaster chicken from Safeway and go outside and call his name. Also put some dry food in a plastic container and shake it while you are looking for him. DO NOT LEAVE food outside because it will attract other critters. Get a good flashlight and look up trees at night.
The best time to find escapees is either early in the AM while it is still dark out or early PM when it is getting dark. Cats usually hide during the day. Chances are he isn't far from home.
Put him on nextdoor.com, pawboost.com and print out flyers to hang around your neighborhood, don't just call the humane society or check their website, go there in person every day! There are numerous lost/found pet pages on facebook, be sure and put him on there too!
Also, call all of the local vets, he could have gotten picked up and taken to a vet.