Who rang me in the UK - Who Calls You UK Reverse Phone Number Lookup Report a number

0300 Prefix: UK-wide numbers (03)

Numbers starting with 0300 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.

0300 numbers reported on Who Calls You

What does the 0300 prefix mean?

0300 numbers - UK-wide numbers (03)

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 0300 numbers?

0300 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 0300 prefix numbers

Ofcom has allocated 238 blocks of 0300 prefix numbers to many companies, the oldest allocation still active dating from 2007. The companies holding the most 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.