95658Newcastle, CA
Prospecting data for 95658: Newcastle, CA
Zip 95658 in Newcastle, California has about 960 homeowners. About 340 have a connected mobile phone and 140 of those are clear of the National Do Not Call Registry.
Absentee owners 95658
Data as of 2026-09
- Absentee owners140
- Mailable address97%130
- Connected mobile12%under 100
- Email on file13%under 100
- Mobile and DNC clear4%under 100
Rounded floors, not promises.
| Population | 6,840 |
|---|---|
| Housing units | 2,850 |
| Owner occupied | 85% of occupied homes |
| Renter occupied | 15% of occupied homes |
| Median household income | $97,000 |
| Median age | 48.5 |
| Built before 1970 | 32% of homes |
| Built 2000 or later | 13% of homes |
| Median mortgage payment | $2,720 a month |
| Time zone | PST |
| Area code | 916 |
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: 97% of 95658 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Newcastle campaign.
Calling and texting reach about 36% with a connected mobile, but only 14% 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 52%. 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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