Worcester County, Massachusetts ZIP Codes

85 ZIP Codes

Zip Code
City
Population
01453Leominster43,851
01420Fitchburg41,839
01604Worcester39,812
01545Shrewsbury38,876
01757Milford30,609
01605Worcester30,579
01610Worcester30,444
01602Worcester27,092
01606Worcester22,844
01609Worcester22,047
01581Westborough21,944
01440Gardner21,276
01603Worcester20,868
01550Southbridge17,928
01570Webster17,748
01520Holden16,912
01501Auburn16,877
01532Northborough15,750
01510Clinton15,563
01569Uxbridge14,304
01527Millbury13,961
01331Athol13,922
01507Charlton13,435
01562Spencer12,008
01571Dudley11,929
01462Lunenburg11,919
01540Oxford10,979
01475Winchendon10,265
01588Whitinsville10,258
01772Southborough9,907
01590Sutton9,422
01516Douglas9,376
01543Rutland9,353
01504Blackstone9,255
01607Worcester8,706
01523Lancaster8,606
01473Westminster8,374
01564Sterling8,183
01519Grafton8,058
01568Upton8,011
01583West Boylston7,606
01566Sturbridge7,362
01536North Grafton6,860
01430Ashburnham6,481
01524Leicester6,327
01756Mendon6,325
01534Northbridge6,230
01747Hopedale6,027
01740Bolton5,737
01451Harvard5,487
01005Barre5,204
01612Paxton5,002
01560South Grafton4,984
01505Boylston4,948
01608Worcester4,932
01585West Brookfield4,810
01535North Brookfield4,760
01452Hubbardston4,371
01468Templeton4,183
01436Baldwinville3,720
01541Princeton3,529
01506Brookfield3,460
01503Berlin3,378
01529Millville3,160
01522Jefferson3,152
01083Warren2,858
01542Rochdale2,615
01518Fiskdale2,598
01611Cherry Valley2,299
01537North Oxford2,278
01515East Brookfield2,166
01031Gilbertville1,676
01068Oakham1,639
01434Devens1,564
01368Royalston1,455
01092West Warren1,200
01366Petersham1,185
01531New Braintree973
01745Fayville586
01037Hardwick572
01074South Barre368
01438East Templeton330
01094Wheelwright52
01561South Lancaster0
01525Linwood0

Overview of ZIP Codes in Worcester County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
85
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 85 ZCTAs in Worcester County, Massachusetts (US Census).