Worcester, Massachusetts ZIP Codes
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What is the zip code for Worcester, Massachusetts? The honest answer is that Worcester does not have just one — it has 15 ZIP codes, from 01601 to 01655. This page gives you the complete list of Worcester ZIP codes, plus free tools to find the exact code for any street address in the city.
Worcester sits primarily in Worcester County, Massachusetts. Its ZIP codes are assigned by the U.S. Postal Service to delivery areas across the city — homes, businesses, government offices, and PO boxes. Scroll down for the full list, or jump straight to your address with the ZIP code by address lookup.
Complete List of Worcester ZIP Codes
All 15 worcester zip codes, sorted from lowest to highest (01601 to 01655):
About Worcester ZIP Codes
ZIP codes in Worcester, Massachusetts run from 01601 to 01655 — 15 codes in total. Each one maps to a USPS delivery area, which is why the correct code depends on the exact street address, not just the city name.
Worcester sits mainly in Worcester County, Massachusetts. ZIP codes here serve downtown districts, residential neighborhoods, business centers, and surrounding communities that share a Worcester mailing address.
Mailing to Worcester? Using the correct ZIP code — and the ZIP+4 add-on where it matters — keeps letters and packages moving without delays or returns. Before you send, you can confirm any Worcester address with our free Address Verification tool, and find the full 9-digit code with the ZIP+4 Lookup.
How to Find Your Worcester ZIP Code
Enter a Worcester street address to get its exact 5-digit ZIP code instantly.
Look up Worcester, Massachusetts to see the full list of ZIP codes used across the city.
Explore ZIP codes for every covered city in Massachusetts on the state page.
Frequently Asked Questions
How many ZIP codes does Worcester have?
Worcester has 15 ZIP codes, ranging from 01601 to 01655. The complete list is on this page.
What is the ZIP code of Worcester, Massachusetts?
There is no single ZIP code for Worcester — the city uses 15 ZIP codes (01601 to 01655). Enter your street address in our ZIP Code by Address tool to find your exact one.
What county is Worcester, Massachusetts in?
Worcester is primarily in Worcester County, Massachusetts.
What is the ZIP code range for Worcester?
ZIP codes in Worcester start at 01601 and go up to 01655. Codes are assigned by delivery area, so the lowest codes generally sit closest to the city center and rise as you move outward.
Why does Worcester have 15 different ZIP codes?
The Postal Service creates a new ZIP code whenever a delivery area grows too large for one code to handle efficiently. A city the size of Worcester has many delivery routes — neighborhoods, business districts, and high-volume mailers each need their own code so mail can be sorted and delivered accurately.
How do I find my ZIP+4 code in Worcester?
Use our free ZIP+4 Lookup tool — enter your Worcester street address to get the full 9-digit code.
More Cities in Massachusetts
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Related ZIP Code Tools
Find the ZIP code for any Worcester street address.
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