21224Baltimore, MD
Prospecting data for 21224: Baltimore, MD
Zip 21224 in Baltimore, Maryland has about 13,100 homeowners. About 2,390 have a connected mobile phone and 1,120 of those are clear of the National Do Not Call Registry.
Absentee owners 21224
Data as of 2026-09
- Absentee owners3,780
- Mailable address98%3,720
- Connected mobile6%230
- Email on file6%240
- Mobile and DNC clear2%under 100
Rounded floors, not promises.
| Population | 49,300 |
|---|---|
| Housing units | 22,800 |
| Owner occupied | 58% of occupied homes |
| Renter occupied | 42% of occupied homes |
| Median household income | $74,000 |
| Median age | 33.2 |
| Built before 1970 | 83% of homes |
| Built 2000 or later | 10% of homes |
| Median mortgage payment | $1,690 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 21224 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Baltimore campaign.
Calling and texting reach about 18% with a connected mobile, but only 9% 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
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