21613Cambridge, MD
Prospecting data for 21613: Cambridge, MD
Zip 21613 in Cambridge, Maryland has about 4,650 homeowners. About 1,070 have a connected mobile phone and 420 of those are clear of the National Do Not Call Registry.
Absentee owners 21613
Data as of 2026-09
- Absentee owners1,750
- Mailable address99%1,730
- Connected mobile7%120
- Email on file10%180
- Mobile and DNC clear2%under 100
Rounded floors, not promises.
| Population | 17,100 |
|---|---|
| Housing units | 9,040 |
| Owner occupied | 55% of occupied homes |
| Renter occupied | 45% of occupied homes |
| Median household income | $48,000 |
| Median age | 43.1 |
| Built before 1970 | 47% of homes |
| Built 2000 or later | 22% of homes |
| Median mortgage payment | $1,480 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 21613 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Cambridge campaign.
Calling and texting reach about 23% 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 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
CountyDorchester MDHomeownersMDAbsentee owners 21622Church Creek21631East New Market21634Fishing Creek21643Hurlock21659Rhodesdale21677Woolford21869Vienna
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