Join Our Mailing List
Call: 01451 860805
Friday 22nd March 2019 - Telephone numbers on TPS = 19,032,291, Telephone numbers on CTPS = 2,277,444, Total numbers registered = 21,309,735 Home - FAQ's - Login - Contact
Online TPS Checking
How to use this site -
in 5 easy steps
Pricing calculator
Stay legally compliant
Frequently asked questions
 (New Clients)
 (Existing Clients)
Other Services & Resources
121prodata services
What our clients say
Document download area
Terms & conditions
Privacy & Cookies Policy
Getting in touch
Contact us


Stay Legally Compliant

The Privacy and Electronic Communications (EC Directive) Regulations 2003 regulate the use of electronic communications for unsolicited marketing to individuals and organisations.

You must not make marketing calls to any number listed on the Telephone Preference Service (TPS) or Corporate TPS (CTPS), unless that person has specifically consented to your calls.

You can call a number if it is not listed on the TPS or CTPS.

So you need to screen call lists against the TPS and CTPS before you start calling.

You then need to re-screen call lists against TPS and CTPS every 28 days, if you are still calling on the same list.

  • The Telephone Preference Service (TPS) is a central opt-out register whereby individuals, sole traders and partnerships, can register their wish not to receive unsolicited sales and marketing telephone calls. It is a legal requirement that companies do not make such calls to numbers registered on the TPS.
  • The Corporate Telephone Preference Service (CTPS) is the central opt-out register whereby corporate subscribers (including limited companies, PLCs, limited liability partnerships, Scottish partnerships, government bodies, schools &, colleges and charities) can register their wish not to receive unsolicited marketing calls. It is a legal requirement that companies do not make such calls to numbers registered on the CTPS.

Should I check against TPS, CTPS or both?

If you are definitely only calling domestic numbers, you only need to check against the TPS.

If you are calling businesses you must check against CTPS and you will need to check against the TPS as well, if your list includes sole traders and partnerships.

121prodata recommends that all clients check against both TPS and CTPS registers, to be 100% certain that all registered numbers are identified and can be excluded from calling.

For more information about the rules for making live calls, please see guidance from the Information Commissioner’s Office.

Avoid a Fine of up to £500,000

Companies not meeting their legal obligations can be fined up to £500,000 by the Information Commissioner's Office (ICO).

If you would like more information, please see the Information Commissioner's Office website by going to

Copyright © 2004-2019 121prodata Ltd Terms & Conditions - Privacy Policy - Back to Top