20903Silver Spring, MD
Prospecting data for 20903: Silver Spring, MD
Zip 20903 in Silver Spring, Maryland has about 2,550 homeowners. About 800 have a connected mobile phone and 440 of those are clear of the National Do Not Call Registry.
Absentee owners 20903
Data as of 2026-09
- Absentee owners310
- Mailable address97%300
- Connected mobile11%under 100
- Email on file8%under 100
- Mobile and DNC clear7%under 100
Rounded floors, not promises.
| Population | 28,000 |
|---|---|
| Housing units | 7,690 |
| Owner occupied | 38% of occupied homes |
| Renter occupied | 62% of occupied homes |
| Median household income | $70,000 |
| Median age | 32.5 |
| Built before 1970 | 70% of homes |
| Built 2000 or later | 3% of homes |
| Median mortgage payment | $2,040 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: 98% of 20903 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Silver Spring campaign.
Calling and texting reach about 31% 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.
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