The best material to use is 'EZ Street Cold Patch': https://www.truevalue.com/asphalt-cold-patch-50-lb
It can be ordered to local True Value hardware stores for pickup.
You place it in the hole and then tamp it down, this video shows how: https://www.youtube.com/watch?v=vmNNdLdzCSQ&ab_channel=ezstreetasphalt
It can be instantly driven over once put down.
You can also report potholes to the city by calling 311 or using the OAK 311 smartphone app which lets you send a photo.