Massachusetts Area Codes

Massachusetts has 9 area codes. Located in the Northeast region of the United States.

339 351 413 508 617 774 781 857 978

All Area Codes in Massachusetts

Area Code	Primary City / Region	Full Number Format
339	Waltham , Massachusetts	`+1 (339) XXX-XXXX`
351	Danvers , Massachusetts	`+1 (351) XXX-XXXX`
413	Springfield , Massachusetts	`+1 (413) XXX-XXXX`
508	Worcester , Massachusetts	`+1 (508) XXX-XXXX`
617	Boston , Massachusetts	`+1 (617) XXX-XXXX`
774	Worcester , Massachusetts	`+1 (774) XXX-XXXX`
781	Wellesley , Massachusetts	`+1 (781) XXX-XXXX`
857	Boston , Massachusetts	`+1 (857) XXX-XXXX`
978	Lowell , Massachusetts	`+1 (978) XXX-XXXX`

How to Dial Massachusetts Area Codes

Calling within the US

To call a phone number in Massachusetts from anywhere within the United States:

1 + (339) + XXX-XXXX

Dial 1 (the US/Canada country code)
Dial the area code (e.g., 339)
Dial the 7-digit local number

Massachusetts has multiple area codes. 10-digit dialing (area code + number) is required for local calls in areas with overlay codes.

Calling from outside the US

To call Massachusetts from an international location:

[Exit Code] + 1 + (339) + XXX-XXXX

Replace [Exit Code] with your country's international access code (e.g., 00 from most European countries, 0011 from Australia).

Emergency Numbers

911	Police, Fire, Ambulance (Emergency)
311	Non-emergency municipal services
211	Community services and information
988	Suicide & Crisis Lifeline

About Massachusetts Area Codes

Massachusetts is served by 9 area codes within the North American Numbering Plan (NANP). The area codes are distributed across different cities and regions of the state to accommodate the demand for phone numbers.

All Massachusetts phone numbers use the international country code +1, followed by the three-digit area code and a seven-digit local number, for a total of 11 digits when dialing internationally.

Some areas of Massachusetts have overlay area codes, meaning two or more area codes serve the same geographic area. In these regions, 10-digit dialing is mandatory for all local calls.

Massachusetts at a Glance

State	Massachusetts
Country Code	+1
Area Codes	9
Region	Northeast
Codes List	`339` , `351` , `413` , `508` , `617` , `774` , `781` , `857` , `978`

Massachusetts Map

Map of Massachusetts area code regions

Neighboring States

Connecticut
4 area codes

New Hampshire
1 area code

New York
19 area codes

Rhode Island
1 area code

Vermont
1 area code

Quick Links

All US Area Codes Country Code +1 (USA) About NANP International Calling Guide