zip4lookup

ZIP Codes in Worcester, MA

Worcester uses 9 ZIP codes, all in Worcester County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.

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All 9 Worcester ZIP codes

ZIPTypeCountyPopulation
01602 standard Worcester 27,092
01603 standard Worcester 20,868
01604 standard Worcester 39,812
01605 standard Worcester 30,579
01606 standard Worcester 22,844
01607 standard Worcester 8,706
01608 standard Worcester 4,932
01609 standard Worcester 22,047
01610 standard Worcester 30,444

Finding a ZIP+4 in Worcester

Knowing which of these 9 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Worcester street almost always have different ZIP+4 codes even though they share all five leading digits.

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