A UK-wide 03 number.
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The label for each number is the source’s own wording.
Contact listed on GOV.UK
This number is listed on GOV.UK under “TfL Low Emission Zone (International)”, on the page “Specialist tests for coaches and buses”.
Hours given: “Monday to Friday, 8am to 10pm Saturday, 9am to 3pm”
Source: GOV.UK page (opens in a new tab), last updated on GOV.UK on 14 August 2015.
Contact listed on GOV.UK
This number is listed on GOV.UK under “TfL Low Emission Zone”, on the page “Specialist tests for coaches and buses”.
Hours given: “Monday to Friday, 8am to 10pm Saturday, 9am to 3pm”
Source: GOV.UK page (opens in a new tab), last updated on GOV.UK on 14 August 2015.
This could still be a scam call
Scammers use phone spoofing, which falsifies caller ID so that a call can appear to come from a trusted government department when it does not. Banks and the police will never call you to verify your PIN, and will not ask you to withdraw money or buy or send items for an investigation. If you get a call like this, hang up. HMRC will never ask you to pay with gift or payment vouchers, and will never threaten arrest or leave a voicemail threatening legal action. If you are not sure a call was genuine, hang up and contact the organisation on a number you have found yourself, such as on GOV.UK or a letter from it. Do not use a number the caller gives you.
This is a number the organisation publishes for people to contact it. Government departments, police forces and courts often call out from other numbers or with the number withheld, and scammers can make a call show a real number, so a call from it is not proof of who called.
Contains public sector information from Government Digital Service (GOV.UK), "GOV.UK Content API: contact details on GOV.UK guides" (checked 13 October 2026), licensed under the Open Government Licence v3.0.
Is this an organisation's official number? Tell us where it's published.
Source: Ofcom numbering data, files published 7 October 2026, checked 13 October 2026
See the 0343 222 xxxx range for the Ofcom facts about the whole block and any numbers in it that organisations or visitors have told us about.
Numbers starting 03 are UK-wide numbers that are not linked to a place. Organisations use them as a single national contact number. Ofcom uses 034 numbers for organisations moving from a matching 084 number.
Ofcom allocates phone numbers to communications providers in blocks. The provider shown is the one Ofcom allocated this block to. It is not the person or business that called you, and the number may since have moved to a different network, because people can usually keep their number when they switch provider. Ofcom does not hold information about individual numbers.
Ofcom's rules say calls to 03 numbers must cost no more than calls to 01 and 02 numbers, and must count towards any inclusive minutes you have for calls to 01 and 02 numbers.
Reporting helps networks and the police find the people behind scam calls. Blocking stops this one number, though scammers often switch numbers.
Copy 0343 222 1111 from your recent calls and send it in a text to 7726. For a scam text, forward the text itself to 7726. Both are free. Some networks ask you to text CALL first and then reply with the number.
Ofcom: what to do about a scam call or text (opens in a new tab)
Hang up and call 159, or the number on the back of your card. Stop Scams UK says 159 connects customers of more than 99% of UK retail bank current accounts to their bank.
If you lost money or shared details, report online or call 0300 123 2040. Report Fraud replaced Action Fraud on 4 December 2025.
If you live in Scotland, report fraud to Police Scotland on 101. Call 999 in an emergency.
Ofcom takes complaints about persistent silent or abandoned calls. It cannot look into single cases, but complaints help it decide where to act.
Report marketing calls and texts you did not agree to online, or call the ICO on 0303 123 1113.
Register free online or on 0345 070 0707. Ofcom says it can take up to 28 days to work, and it will not block scam calls.
In the Phone app, open the contact and tap Block Contact. In Settings, then Apps, then Phone, you can screen or silence unknown callers and turn on spam filtering.
Open the Phone app, tap More, then Call history. Tap a call from the number and choose Block/report spam. Samsung and some other makers use their own phone app with different wording.
Ofcom says many landline providers offer call blocking or filtering, including anonymous call rejection for withheld numbers. Some charge for it, so ask yours. Call-blocking handsets can block withheld numbers or numbers not in your contacts.
Ofcom: protect yourself from scam calls (opens in a new tab)
EE says to forward spam texts, including the sender’s number, to 7726 so it can act against the numbers sending them.
Vodafone says to forward scam texts to 7726, and to report a scam or nuisance call by texting CALL followed by the number to 7726, free.
O2 says to forward suspicious texts to 7726, free, so it can investigate the number and possibly block it.
Three says to forward spam texts to 7726 with the sender’s number, and to text CALL and the caller’s number to 7726 for nuisance calls. Both are free.
giffgaff says to forward spam texts to 7726, which is free, and that you can block the number on your phone.
Tesco Mobile says to text CALL to 7726, free, and it will ask you for the number. If nuisance calls carry on, call 4455 from your Tesco Mobile phone.
Tesco Mobile: nuisance calls and spam texts (opens in a new tab)
Sky says to forward a nuisance text to 7726 so it can look into it, and points Sky Talk landline customers to Sky Talk Shield for call blocking.
Virgin Media says to forward scam texts to 7726, free of charge, and it will work to block the number from its network.
Landline? See how to block calls on a landline.
Every link above goes to the organisation’s own page and was checked on 13 October 2026. More detail: report and block guide.
Is this your number? You can ask us to clear the visitor reports about it.
This page relies on:
Checked on 13 October 2026. Read how reports work. How we check our information. Spotted a mistake? Tell us and we will put it right.