Lookup › Area code 631 › 631-263
631-263 Prefix — Smithtown, New York
Phone numbers starting with 631-263 are based in Smithtown, New York, primarily served by Verizon.
Recently looked-up numbers in 631-263
More about this region
Area code 631 directory · About area code 631 · Get a NY phone number
Last updated: June 21, 2026