Telephone Number Directory
+1 (650) 353-4752
Located in San-Mateo, California, Unites States • Carrier: Level 3 Communications
Safety & Risk Assessment
Neutral / Clean
Community Threat Level
5% Spam Risk
No spam reports registered
Number Specifications & Telecom Details
| Country |
(+1) United States
|
|---|---|
| State / Province | California |
| City / Town | San-Mateo |
| Area Code | 650 |
| Central Office Exchange (Prefix) | 353 |
| Subscriber Line | 4752 |
| Telecom Carrier | Level 3 Communications |
| Line Type | Landline |
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Dialing Formats & International Standards
Standard E.164 International Format
+1 650 353 4752
Domestic National 10-Digit Format
(650) 353-4752
Dialing with International Call Prefix (IDD)
011 1 650 353 4752
Hyphenated Directory Format
1-650-353-4752
Community Caller Reports
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Nearby Phone Numbers in the 353 Exchange
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Nuisance Call Protection
- Never disclose financial info: Banks, courts, and government agencies will never ask for gift cards or wire transfers over the phone.
- Do Not Press Keys: Pressing "1" or "9" confirms to robocall dialers that your line is active.
- National Registry: Add your number to donotcall.gov to block legal telemarketing lists.
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About San-Mateo, California
Area code 650 and exchange 353 serve residents and businesses across San-Mateo and surrounding communities in California.
Browse 650-353 Exchange
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