The complete history of 0333 numbers

A 0333 number is a unique kind of landline rate telephone number. It is a non-geographic numbering and is commonly used by businesses and other similar organisations. Non-geographic numbers were developed as an alternative to location specific telephone numbers and they can provide more flexible routing of calls. 03 numbers are specifically an alternative to 08 numbers like 0870, as 08 numbers are chargeable. 03 numbers are used so that consumers are not charged extra for calling businesses and government organisations. Revenue sharing is not permitted on 03 numbers either.

Between the years 1995 and 2001, 03 numbers were cleared for other uses. Geographic 03 numbers were transferred, as were similar mobile and premium rate 03 numbers. This was done because 03 numbers were originally intended to be used by new area code based on geography. However, by the mid-2000s no new area codes had emerged for use by 03 numbers. Subsequently 03 numbers were not used for their originally intended purpose, and instead, in 2006 they were re-designated as “non-geographic numbers charged at a geographic rate”.

Everything you need to know about 0333 numbers

Also in January 2006 Ofcom, the UK telecoms regulator, revealed that non-geographic numbers such as 0333 would have standard rates for use by businesses and other organizations. The introduction of 03 numbers at standard rates was the result of intense competition in the telecoms market, where providers increasingly charged extra for non-geographic numbers. These changes helped to regulate caller charges, helping businesses and customers. Further regulation of 03 numbers has ensured that they are treated the same as 01 and 02 numbers. Any tariffs, minutes or free calls a provider applies to a 01 or 02 number must also be applied to 03 numbers. The 0333 range remains the only set of numbers in the UK that is officially tied to the rates of geographic numbers. You can buy 0333 numbers here, and they are perfect for all sorts of different uses – either business or personal.

From 2016 onwards the in use range of 03 numbers are as follows: 0300, 0301, 0302, 0303, 0306, 0330, 0331, 0332, 0333, 0343, 0344, 0345, 0370, 0371 and 0372. 030 and 034/037 are all in use, with 0333 numbers reserved for use in the public sector or non-profit organisations and migration respectively.

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