US Area Code
603
New Hampshire (statewide) · New Hampshire
Area code 603 serves Manchester, Concord, Nashua and surrounding areas in New Hampshire. Look up any 603 number below to check for spam, see caller ID, carrier, and line type.
Area Code Details
- State / Territory
- New Hampshire
- Region
- New Hampshire (statewide)
- Major Cities
- Manchester, Concord, Nashua
- Timezone
- Eastern Time
- Country
- United States
- Format
- +1 (603) XXX-XXXX