91765Diamond Bar, CA
Prospecting data for 91765: Diamond Bar, CA
Zip 91765 in Diamond Bar, California has about 7,420 homeowners. About 2,340 have a connected mobile phone and 1,280 of those are clear of the National Do Not Call Registry.
Absentee owners 91765
Data as of 2026-09
- Absentee owners1,560
- Mailable address98%1,540
- Connected mobile6%under 100
- Email on file8%120
- Mobile and DNC clear2%under 100
Rounded floors, not promises.
| Population | 46,600 |
|---|---|
| Housing units | 15,700 |
| Owner occupied | 76% of occupied homes |
| Renter occupied | 24% of occupied homes |
| Median household income | $100,000 |
| Median age | 42.8 |
| Built before 1970 | 23% of homes |
| Built 2000 or later | 3% of homes |
| Median mortgage payment | $2,560 a month |
| Time zone | PST |
| Area code | 909 |
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 91765 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Diamond Bar campaign.
Calling and texting reach about 32% 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 38%. 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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