Rydym yn defnyddio cwcis i wella eich profiad ar ein gwefan. Am wybodaeth am y cwcis yma a sut i’w dileu, darllenwch ein polisi cwcis.
A diary study among UK adults with home landline phones to record all unwanted calls personally received on their home landline phone across a four week period (11th January to 7th February 2016).
20 May 2015
23 May 2014
21 May 2014
19 Mawrth 2019
Ofcom’s open data is a mix of data from or about the companies we regulate in the communications sector, and the citizens and consumers who use them.
18 Mawrth 2019
Lists Ofcom's official statistics
04 Chwefror 2019
Quarterly updates tracking key trends emerging from the data we collect on the UK telecommunications sector including fixed voice services, mobile services and fixed broadband.