0331 Prefix: UK-wide numbers (03)
Numbers starting with 0331 are UK-wide numbers (03). UK-wide numbers that are not tied to an area. They cost the same as calling an 01 or 02 number and count towards inclusive minutes. Banks, government departments, charities and large companies use them a lot.
0331 numbers reported on Who Calls You
- 0331 341 3542 Non-geographic · 1 report Mixed reports
What does the 0331 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. UK-wide numbers that are not tied to an area. They cost the same as calling an 01 or 02 number and count towards inclusive minutes. Banks, government departments, charities and large companies use them a lot.
Who uses 0331 numbers?
0331 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 0331 prefix numbers
Ofcom has allocated 75 blocks of 0331 prefix numbers to 1 company, the oldest allocation still active dating from 2011. The companies holding the most blocks:
- BT 75 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.