07821 Prefix: Mobile numbers (07)
Numbers starting with 07821 are mobile numbers (07). Most 07 numbers are UK mobiles. Scammers often use mobile numbers because they are cheap to get and easy to change.
07821 numbers reported on Who Calls You
- 07821 888451 Mobile · 1 report Mixed reports
- 07821 151947 Mobile · 1 report Reported as spam
- 07821 042309 Mobile · 1 report Reported as spam
- 07821 968742 Mobile · 1 report Reported as spam
What does the 07821 prefix mean?
The prefix is the first digits of a phone number. In the UK it tells you what kind of number it is and how much a call back costs. Most 07 numbers are UK mobiles. Scammers often use mobile numbers because they are cheap to get and easy to change.
Who uses 07821 numbers?
07821 numbers are not linked to a town, so they are popular with companies that want one number for the whole country: call centres, banks, utilities, delivery firms and online services. The same features make them attractive to sales callers and scammers, so check the reports before calling back.
Phone companies with 07821 prefix numbers
Ofcom has allocated 10 blocks of 07821 prefix numbers to 1 company, the oldest allocation still active dating from 2003. The companies holding the most blocks:
- Telefonica UK Limited 10 blocks
A range holder is the company Ofcom gave the numbers to. Many pass numbers on to businesses and internet phone services, so the holder is often not the caller. Source: Ofcom numbering data.