Rochester, New Hampshire
Eastern Time Zone (UTC-5) · NH · —
About Area Codes in Rochester, New Hampshire
Rochester, New Hampshire is served by area code 603, which was one of the original area codes established in 1947 under the North American Numbering Plan. The city falls within the Eastern time zone (UTC-5). All calls to and from Rochester use the 603 area code prefix for local and long-distance dialing.
Frequently Asked Questions
What area code is Rochester, New Hampshire?
Rochester, New Hampshire uses area code 603.
What time zone is Rochester in?
Rochester is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Rochester?
Standard 7-digit dialing is used for local calls within Rochester. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 603 created?
Area code 603 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 603 with Rochester?
Other cities sharing area code 603 with Rochester include Amherst, Bedford, Berlin, Claremont, Concord, among others.
Also called Rochester:
Rochester, NH · Eastern Time Zone