07821654863
Mobile (United Kingdom)
07821654863 is a Mobile phone number assigned to the O2 service provider. This may be one of the rare calls, like an incorrectly dialed number, a call from someone you know or from a company about a service or product you ordered. Leave your report if you still notice anything strange.
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Alternative number formats
The phone number can be identified in different formats such as national, E164 - international standard, RFC3966 - URI standard for telephone numbers.
Searched in the last 24 hours
Most frequently searched (07821) phone numbers in the past 24 hours.
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Recent reports:
An automated message said it was 'His Majesty's revenue system' calling and that I owed a huge sum and must pay now.
Hanged up after 3 signals. When I call back I was instructed I have wrong number.
Asked about my name; like are you MR......? I did tot know the number.
Called but didn’t respond to text. Call immediately followed another call from a different mobile and they didn’t respond either. Another person repor...
Automated Message states it us from Visa/Mastercard security and there have been 2 money transfers from my account - press 1 to stop them Clearly a...
Unsolicited call
Showing as spam number.
calls most days, I don't answer as roaming on high call charges
Constant silent call. Blocked
Received a text message about an unknown upcoming hospital appointment. My GP has not notified me of any upcoming hospital appointment. I suspect SCAM...
What is national telephone number format?
A national telephone number is a single telephone number that allows the routing of calls to different
locations within one country. In most cases, a national telephone number consists of 10 digits: a
three-digit area code, and a seven-digit subscriber number.
"0" before number is the
long distance dialling code within the UK.
What is E164 telephone number format?
When calling a country outside of the United Kingdom, you have to call that country's international
access code in order to place an international call.
"+44" is the country calling code assigned to the United Kingdom by the
International Telecommunication Union(ITU) E164 standard. Normally known as the international telephone number format.
What is RFC3966 telephone number format?
RFC3966 is a telephone number URI (Uniform Resource Identifier) standard for
describing resources identified by telephone numbers.
According to RFC3966 document, resources
identified by telephone numbers uses "tel" URI scheme.
E.g. tel:+44-xxx-xxx-xxxx.
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