21213Baltimore, MD
Prospecting data for 21213: Baltimore, MD
Zip 21213 in Baltimore, Maryland has about 6,430 homeowners. About 1,750 have a connected mobile phone and 1,110 of those are clear of the National Do Not Call Registry.
Absentee owners 21213
Data as of 2026-09
- Absentee owners2,150
- Mailable address100%2,150
- Connected mobile5%120
- Email on file6%130
- Mobile and DNC clear3%under 100
Rounded floors, not promises.
| Population | 31,000 |
|---|---|
| Housing units | 15,000 |
| Owner occupied | 54% of occupied homes |
| Renter occupied | 46% of occupied homes |
| Median household income | $40,000 |
| Median age | 36.4 |
| Built before 1970 | 91% of homes |
| Built 2000 or later | 4% of homes |
| Median mortgage payment | $1,200 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 21213 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 27% with a connected mobile, but only 17% 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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