01581Westborough, MA
Prospecting data for 01581: Westborough, MA
Zip 01581 in Westborough, Massachusetts has about 4,090 homeowners. About 1,320 have a connected mobile phone and 460 of those are clear of the National Do Not Call Registry.
Absentee owners 01581
Data as of 2026-09
- Absentee owners510
- Mailable address98%500
- Connected mobile4%under 100
- Email on file8%under 100
- Mobile and DNC clear2%under 100
Rounded floors, not promises.
| Population | 19,000 |
|---|---|
| Housing units | 7,620 |
| Owner occupied | 63% of occupied homes |
| Renter occupied | 37% of occupied homes |
| Median household income | $112,000 |
| Median age | 38.8 |
| Built before 1970 | 39% of homes |
| Built 2000 or later | 18% of homes |
| Median mortgage payment | $2,740 a month |
| Time zone | EST |
| Area code | 508 |
Census figures are rounded ACS 5-year estimates for the zip code tabulation area.
What this means for each channel
Direct mail reaches almost everyone: 97% of 01581 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Westborough campaign.
Calling and texting reach about 32% with a connected mobile, but only 11% once you remove numbers on the National Do Not Call Registry. Texting a cold list also needs prior express written consent under the TCPA, so the DNC-clear figure is a calling figure, not a texting figure. See cold calling laws by state.
Email reaches about 47%. Cold email to consumers is legal under CAN-SPAM with an opt-out and a physical address, but deliverability on purchased consumer email is poor; treat it as a supporting touch.
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