Area code 603
603 is Manchester, Nashua, Concord, New Hampshire.
Area code 603 at a glance
- State
- New Hampshire
- Main cities
- Manchester, Nashua, Concord, Derry, Dover, Rochester, Salem
- Time zone
- Eastern Time
- Local time now
- --:--:--
- Overlay codes
- No overlay — 603 is the only area code here.
- In service since
- 1947
Get a 603 number
Rent a real 603 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
$3.90/month
Available now
- +1 603 420 0687
- +1 603 420 0439
- +1 603 420 0795
- +1 603 919 8246
- +1 603 420 0483
Call a 603 number from abroad
Call any 603 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 603 from inside the US or Canada
Dial 1, then 603, then the 7-digit number.
Calling a 603 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 603?
Area code 603 covers Manchester, Nashua, Concord in New Hampshire.
What time is it in area code 603?
Area code 603 is in the Eastern Time time zone. See the live clock above for the current local time.
How do I get an area code 603 phone number?
Sign up for QuikRing and rent one of the available 603 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 603 from abroad?
Calls to United States numbers, including area code 603, start at $0.02/min with QuikRing — no roaming plan or SIM needed.