US Area Code
631
Suffolk County · New York
Area code 631 serves Islip, Huntington, Brentwood and surrounding areas in New York. Look up any 631 number below to check for spam, see caller ID, carrier, and line type.
Area Code Details
- State / Territory
- New York
- Region
- Suffolk County
- Major Cities
- Islip, Huntington, Brentwood
- Timezone
- Eastern Time
- Country
- United States
- Format
- +1 (631) XXX-XXXX