Massachusetts
Postal abbreviation MA. 685 ZIP codes across 14 counties.
| Population | 7,044,056 |
|---|---|
| Postal abbreviation | MA |
| ZIP codes | 685 ZIP codes → |
| Area codes | 339351413508617774781857978 |
| Time zone | Eastern |
| Counties | 14 |
Largest cities by population
Boston · 666,442Worcester · 207,055Springfield · 154,749Cambridge · 118,796Lowell · 118,368Brockton · 105,386Quincy · 102,114Lynn · 101,709New Bedford · 100,998Fall River · 94,082Newton · 89,044Lawrence · 88,736Somerville · 81,036Framingham · 72,399Haverhill · 67,698Malden · 65,906Waltham · 64,902Brookline · 63,266Taunton · 60,433Revere · 60,012Medford · 59,354Chicopee · 55,295Peabody · 54,695Methuen · 53,475Everett · 50,045Attleboro · 46,762Arlington · 46,350Salem · 44,795Leominster · 43,909Pittsfield · 43,457
Largest counties by population
Middlesex County · 1,638,365Worcester County · 867,788Essex County · 813,054Suffolk County · 785,121Norfolk County · 730,082Bristol County · 582,270Plymouth County · 535,075Hampden County · 462,815Barnstable County · 231,668Hampshire County · 162,028
Counties in Massachusetts
Barnstable CountyBerkshire CountyBristol CountyDukes CountyEssex CountyFranklin CountyHampden CountyHampshire CountyMiddlesex CountyNantucket CountyNorfolk CountyPlymouth CountySuffolk CountyWorcester County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.