21229Baltimore, MD
Prospecting data for 21229: Baltimore, MD
Zip 21229 in Baltimore, Maryland has about 10,200 homeowners. About 2,920 have a connected mobile phone and 1,680 of those are clear of the National Do Not Call Registry.
Absentee owners 21229
Data as of 2026-09
- Absentee owners1,770
- Mailable address99%1,750
- Connected mobile8%130
- Email on file9%160
- Mobile and DNC clear4%under 100
Rounded floors, not promises.
| Population | 45,900 |
|---|---|
| Housing units | 20,600 |
| Owner occupied | 54% of occupied homes |
| Renter occupied | 46% of occupied homes |
| Median household income | $48,000 |
| Median age | 36.3 |
| Built before 1970 | 85% of homes |
| Built 2000 or later | 4% of homes |
| Median mortgage payment | $1,360 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: 99% of 21229 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 28% with a connected mobile, but only 16% 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 42%. 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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