20777Highland, MD
Prospecting data for 20777: Highland, MD
Zip 20777 in Highland, Maryland has about 980 homeowners. About 380 have a connected mobile phone and 130 of those are clear of the National Do Not Call Registry.
Absentee owners 20777
Data as of 2026-09
- Absentee ownersunder 100
- Mailable address98%under 100
- Connected mobile15%under 100
- Email on file33%under 100
- Mobile and DNC clear4%under 100
Rounded floors, not promises.
| Population | 3,690 |
|---|---|
| Housing units | 1,210 |
| Owner occupied | 99% of occupied homes |
| Renter occupied | 1% of occupied homes |
| Median household income | $202,000 |
| Median age | 45.9 |
| Built before 1970 | 14% of homes |
| Built 2000 or later | 17% of homes |
| Median mortgage payment | $3,640 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: 95% of 20777 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Highland campaign.
Calling and texting reach about 39% with a connected mobile, but only 13% 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 56%. 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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