21201Baltimore, MD
Prospecting data for 21201: Baltimore, MD
Zip 21201 in Baltimore, Maryland has about 990 homeowners. About 190 have a connected mobile phone and under 100 of those are clear of the National Do Not Call Registry.
Absentee owners 21201
Data as of 2026-09
- Absentee owners390
- Mailable address97%380
- Connected mobile5%under 100
- Email on file6%under 100
- Mobile and DNC clear3%under 100
Rounded floors, not promises.
| Population | 17,300 |
|---|---|
| Housing units | 10,700 |
| Owner occupied | 13% of occupied homes |
| Renter occupied | 87% of occupied homes |
| Median household income | $38,000 |
| Median age | 31.0 |
| Built before 1970 | 57% of homes |
| Built 2000 or later | 17% of homes |
| Median mortgage payment | $1,720 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: 98% of 21201 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 19% 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.
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