Haverhill, Massachusetts
Eastern Time Zone (UTC-5) · MA · —
About Area Codes in Haverhill, Massachusetts
Haverhill, Massachusetts is served by 2 area codes: 978, 351. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Haverhill require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Other cities in area code 978
Frequently Asked Questions
What area code is Haverhill, Massachusetts?
Haverhill, Massachusetts uses area codes 978 and 351.
What time zone is Haverhill in?
Haverhill is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Haverhill?
Yes, all local calls in Haverhill require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 978 created?
Area code 978 was established in 1997 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 978 with Haverhill?
Other cities sharing area code 978 with Haverhill include Amesbury, Andover, Beverly, Billerica, Chelmsford, among others.
Haverhill, MA · Eastern Time Zone