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Tuesday 5th December 2023 | Telephone numbers on TPS: 16,668,418 | Telephone numbers on CTPS: 1,371,376 | Total numbers registered: 18,039,794

Easy, fast and low cost Online TPS and CTPS Checker

You have found your organisation’s answer to Telephone Preference Service management and compliance. Use this website to check telephone numbers against both the Telephone Preference Service (TPS) and Corporate Telephone Preference Service (CTPS) registers. By not calling matched numbers, you can make sure that you stay legally compliant when making sales and marketing calls to UK individuals and organisations.

121prodata is a full TPS and CTPS licensee. This means that we update the register data daily. So you are always using the most up-to-date data.

For use by techies and non-techies alike!
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    Easy to use
    You can use our online TPS checker with no data experience or knowledge. Our simple 5-step process will help you.
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    Check numbers fast
    You can get your results fast. Single numbers are checked in milliseconds. Lists of numbers can take just 10 seconds to check.
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    100% legal compliance
    You can be 100% legally-compliant by using our checkers. Avoid the risk of an ICO monetary penalty of up to £500k.
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    Low cost
    You can be sure that we offer the lowest prices available. Our costs are clear and reduce significantly per number for high quantities.
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    Both registers at no extra cost
    You can rest easy that your numbers will be screened against both TPS and CTPS registers automatically. This will ensure legal compliance.
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    Full audit trail
    You can access a history of all your checks online. So if you get a complaint about a call that you’ve made, you can check it.
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