what area code is 0333
What area code is 03333. 0333 is a UK-wide number commonly used for national helplines, customer service and enquiry centres. Oftel records show that numbers starting with 0333 3 are assigned to COLT Technology Services.Remember that due to number portability, if an individual number has relocated to another operator, this detail is not publicly accessible.The following sets of 03 numbers are currently in use: 0300, 0302, 0303, 0306, 0330, 0331, 0332, 0333, 0343, 0344, 0345, 0370, 0371, 0372 and 0373.he format 03xx xxx xxxx is probably the most common. Breaking News: Police have warned about a telephone scam â where people are charged Â£1,500 a minute to pay a premium number. Find out more at The Argus. 0333 is a UK-wide number commonly used for national helplines, customer service and enquiry centres.