21711Big Pool, MD
Prospecting data for 21711: Big Pool, MD
Zip 21711 in Big Pool, Maryland has about 320 homeowners. About under 100 have a connected mobile phone and under 100 of those are clear of the National Do Not Call Registry.
Absentee owners 21711
Data as of 2026-09
- Absentee ownersunder 100
- Mailable address100%under 100
- Connected mobile6%under 100
- Email on file19%under 100
- Mobile and DNC clear0%under 100
Rounded floors, not promises.
| Population | 1,080 |
|---|---|
| Housing units | 450 |
| Owner occupied | 87% of occupied homes |
| Renter occupied | 13% of occupied homes |
| Median household income | $75,000 |
| Median age | 54.3 |
| Built before 1970 | 43% of homes |
| Built 2000 or later | 22% of homes |
| Median mortgage payment | $1,130 a month |
| Time zone | EST |
| Area code | 301 |
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: 99% of 21711 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Big Pool campaign.
Calling and texting reach about 30% 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 54%. 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.
→Nearby
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