21555Oldtown, MD
Prospecting data for 21555: Oldtown, MD
Zip 21555 in Oldtown, Maryland has about 570 homeowners. About 100 have a connected mobile phone and under 100 of those are clear of the National Do Not Call Registry.
Absentee owners 21555
Data as of 2026-09
- Absentee owners350
- Mailable address100%350
- Connected mobile8%under 100
- Email on file15%under 100
- Mobile and DNC clear5%under 100
Rounded floors, not promises.
| Population | 1,590 |
|---|---|
| Housing units | 975 |
| Owner occupied | 85% of occupied homes |
| Renter occupied | 15% of occupied homes |
| Median household income | $63,000 |
| Median age | 48.7 |
| Built before 1970 | 50% of homes |
| Built 2000 or later | 18% of homes |
| Median mortgage payment | $850 a month |
| Time zone | EST |
| Area code | 301 |
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 21555 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Oldtown 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 44%. 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
MetroCumberland, MD CountyAllegany MDHomeownersMDAbsentee owners 21502Cumberland21521Barton21530Flintstone21532Frostburg21539Lonaconing21545Mount Savage21557Rawlings21562Westernport21766Little Orleans
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