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Phone number lookup

Check who may be calling about a debt

Search a missed call, text number or letter callback number before you share details or make a payment.

Written by James WilsonCII Advanced Diploma in Debt AdviceUpdated 30 April 2026

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Verified from IVA Advice collector guides
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Number lookup

Check a debt collector phone number

Search a number from a call, text or letter against IVA Advice's verified collector notes. Always verify before sharing personal or bank details.

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Enter the number exactly as it appeared, including area code if you have it.

Verified numbers in this directory

NumberLikely organisationWhat to check
01782 401100Advantis CreditCheck the letter reference and original creditor.
01782 971346Advantis CreditUse the published contact route before paying.
01782 401123Advantis CreditMay be outbound collections; request writing-only contact if needed.
01782 401125Advantis CreditAsk for evidence if you do not recognise the account.
07891 903076Advantis Credit text/mobile outreachDo not click payment links until verified.
0141 447 0554Past Due Credit SolutionsCommon PDCS number; verify HMRC or DVLA debts separately.
0333 200 8038Witt InternationalCheck the original creditor and account reference.
01926 758736QDR SolicitorsCheck whether the letter is pre-court or a claim form.
01926 758731QDR SolicitorsCheck formal deadlines before waiting for a reply.
01386 258444Capital ResolveVerify through official contact details or portal.

Debt collector numbers can be confusing because firms may use diallers, text systems and regional call centres. Scammers can also copy a real company name.

How to use this lookup safely
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If the number matches a guide, still check the letter reference, original creditor and amount before paying. If it does not match, do not assume it is safe or unsafe from the number alone.

If you do not recognise the debt, ask for written proof. If calls are causing stress, you can ask for writing-only contact.

What to do before calling back
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Look up the company name independently. Do not use only a link in a text. If the debt is said to be HMRC, DVLA, council tax or a court debt, verify through the official account, council or court route where possible.

Do not give card or bank details on an inbound call unless you have independently confirmed who you are speaking to.

Sources

Sources checked for this guide

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