21211Baltimore, MD
Prospecting data for 21211: Baltimore, MD
Zip 21211 in Baltimore, Maryland has about 5,020 homeowners. About 990 have a connected mobile phone and 430 of those are clear of the National Do Not Call Registry.
Absentee owners 21211
Data as of 2026-09
- Absentee owners830
- Mailable address95%790
- Connected mobile5%under 100
- Email on file8%under 100
- Mobile and DNC clear2%under 100
Rounded floors, not promises.
| Population | 16,400 |
|---|---|
| Housing units | 8,470 |
| Owner occupied | 53% of occupied homes |
| Renter occupied | 47% of occupied homes |
| Median household income | $76,000 |
| Median age | 36.3 |
| Built before 1970 | 85% of homes |
| Built 2000 or later | 8% of homes |
| Median mortgage payment | $1,590 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: 96% of 21211 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 20% with a connected mobile, but only 8% 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 31%. 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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