Zip code 00501

Zip code 00501, NY

The zip code 00501, type unique, belongs to the following denominations: Holtsville y Internal Revenue Service . It is part of the county Suffolk County, state of New York. It has an estimated population of 562.

The postal code 00501 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Holtsville).