San Mateo, CA, United States location on the map
 

Who called +16503454921

San Mateo, CA, United States
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First calls recorded 10/15/2023.

+16503454921 is a home or landline telephone number (location — San Mateo, CA, United States). Phone area code — 1650.

Phone number in international format: +1 650-345-4921.

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Possible number formats international, national and others
Range:
E164:
+16503454921
National:
(650) 345-4921
National (without spaces):
6503454921
International:
+1 650-345-4921
RFC3966:
tel:+1-650-345-4921
Phone number (written in words):
plus one, six hundred fifty, three hundred forty-five, forty-nine, twenty-one
How to memorize phone number:
5 interesting facts about unwanted calls, recommendations

Do not answer calls from unknown numbers. Be aware that scammers may use different numbers or hide their real number using number spoofing. Spam calls via instant messengers are becoming increasingly common. It is better not to take risks and not answer these calls.

Remember that official organizations such as banks or government agencies will never ask for your personal information over the phone. If you receive a call asking for this type of information, it may be a clear sign that it is a suspicious call.

It is important to remember that you have every right to refuse to provide any information. If something worries you or raises doubts, it is better to refuse the conversation and hang up.

Report unwanted calls to specialized services or the police. The more people are informed about scammers' methods, the less likely they are to be successful. Help protect yourself and others from phone scammers.

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