Manchester, New Hampshire · EST/EDT (UTC-5) · United States
Entire state of New Hampshire
Covers all of New Hampshire. "Live Free or Die" — no income tax, no sales tax.
Area code 603 is located in Manchester, New Hampshire (United States). It covers Entire state of New Hampshire.
Area code 603 (Manchester, New Hampshire) is in the EST/EDT time zone. Standard time is UTC-5 and UTC-4 during Daylight Saving Time.
Area code 603 is a legitimate NANPA-assigned code serving Manchester, New Hampshire. However, scammers can spoof any area code. If you receive an unexpected call from (603), verify the caller before sharing personal information.
Area code 603 follows EST/EDT (UTC-5). See the live clock at whattime.city/boston/ for the exact current time in Manchester.
Area code 603 was introduced in 1947. Covers all of New Hampshire. "Live Free or Die" — no income tax, no sales tax.