21662Royal Oak, MD
Prospecting data for 21662: Royal Oak, MD
Zip 21662 in Royal Oak, Maryland has about 210 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 21662
Data as of 2026-09
- Absentee owners150
- Mailable address99%150
- Connected mobile7%under 100
- Email on file6%under 100
- Mobile and DNC clear3%under 100
Rounded floors, not promises.
| Population | 418 |
|---|---|
| Housing units | 431 |
| Owner occupied | 91% of occupied homes |
| Renter occupied | 9% of occupied homes |
| Median household income | $129,000 |
| Median age | 69.0 |
| Built before 1970 | 34% of homes |
| Built 2000 or later | 23% of homes |
| Median mortgage payment | $2,730 a month |
| Time zone | EST |
| Area code | 410 |
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 21662 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Royal Oak campaign.
Calling and texting reach about 18% with a connected mobile, but only 4% 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 30%. 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
CountyTalbot MDHomeownersMDAbsentee owners 21601Easton21612Bozman21625Cordova21647Mcdaniel21654Oxford21663Saint Michaels21665Sherwood21671Tilghman21673Trappe21676Wittman21679Wye Mills
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