1581 zip code

  • Zip: 1581
  • Type: STANDARD
  • Decommissioned: 0
  • Primary city: Westborough
  • Unacceptable cities: Westboro
  • State: MA (Massachusetts)
  • County: Worcester County
  • Timezone: America/New_York
  • Area codes: 508,774
  • World region: NA
  • Country: US
  • Latitude: 42.26
  • Longitude: -71.61
  • IRS estimated population (2014): 19090
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