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Postal Code Examples 

Boundary Map of ZIP Code 01803 (United States)

To get the ZIP Code for an address go here.  Also see Nearby places (by type).
Postal Code:
in
State: Located within Massachusetts
County: Located within Middlesex County, MA

Neighboring ZIP Codes (have common boundaries with 01803)

Examples of addresses and places in ZIP Code 01803 (United States)



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