No. The number printed on plastic items is called a resin identification code, and it is used to identify the type of plastic container it is made from, not recyclability. The number alone is not a good indicator that the item is accepted in the recycling program you participate in. If you have curbside collection, it is always best to check with your hauler for recycling instructions.
Number 1 – PETE (Polyethylene terephthalate):
Soda bottles, water bottles, cooking oil bottles, and medicine containers.
Number 2 – HDPE (High-density Polyethylene):
Containers for: laundry/dish detergent, milk, shampoo, conditioner, also various toys, and grocery bags.
Number 3 – V (Polyvinyl chloride):
Pipes, shower curtains, clear medical tubing, vinyl dashboards and seat covers.
Number 4 – LDPE (Low-density Polyethylene):
Wrapping films, grocery bags, and sandwich bags.
Number 5 – PP (Polypropylene):
Tupperware, yogurt tubs, (orange) medicine containers, and plastic caps of soda bottles.
Number 6 – PS (Polystyrene):
Plastic cups, disposable cutlery and cups (clear and colored), coffee cups, packing peanuts, Styrofoam insulation.
Number 7 – OTHER:
They are made of any combination of 1-6 or another, less commonly used plastic.