HMRC Self Assessment handles tax returns for self-employed individuals, landlords, and those with complex tax affairs. British expats often need to contact this office for self assessment registration, tax return queries, and foreign income declarations while living abroad.
Dial 0300 200 3310 (within the UK)
011 44 300 200 3310
011 44 300 200 3310
0011 44 300 200 3310
00 44 300 200 3310
With PhoneTheWorld, simply enter +44 300 200 3310 and click call. No access codes needed — we handle everything.
Call at 8:00 AM UK time when lines open
Have your Unique Taxpayer Reference (UTR) and National Insurance number ready
Avoid calling during Self Assessment deadline period (January)
Use your online HMRC account for tax return filing and queries
Tuesday–Thursday, 8:00–9:00 AM UK Time
HMRC website: gov.uk — online Self Assessment, tax return filing, and guides
HMRC online services for tax calculations and payments
HMRC app for tax codes and estimates
Yes. From abroad, call +44 300 200 3310. International calling rates apply. This line is specifically for Self Assessment queries.
With PhoneTheWorld, calling the UK costs just a few cents per minute. Traditional carriers may charge significantly more. PhoneTheWorld is pay-as-you-go with no subscription or connection fees.
You may need to file a Self Assessment if you have UK income (rental property, investments, self-employment) or if your foreign income exceeds £1,000. Contact HMRC to confirm your filing requirements based on your specific circumstances.
Yes. PhoneTheWorld lets you call any UK number from your browser. Just enter +44 300 200 3310 and click call. No app required, pay-as-you-go, credits never expire.
Have your Unique Taxpayer Reference (UTR), National Insurance number, and any relevant tax return or reference numbers. HMRC will verify your identity before discussing your tax affairs.
Yes. GOV.UK offers online Self Assessment filing, tax calculators, and guidance. You can also use the HMRC app for tax code checks and estimates. For complex queries, consider consulting a tax advisor.
United States
The IRS is the US government agency responsible for tax collection and tax enforcement. US citizens and residents living abroad often need to contact the IRS for tax filing questions, stimulus payments, refund status, and identity verification.
United Kingdom
HMRC is the UK government department responsible for tax collection, including income tax, corporation tax, and VAT. UK expats and non-residents often need to contact HMRC for self-assessment queries, tax residency status, and National Insurance contributions.
Canada
The CRA is Canada federal tax authority. Common reasons to call from abroad include tax filing questions, residency status, T4 slips, GST/HST credits, and Canada Child Benefit inquiries for expats.
Australia
The ATO is Australia tax authority. Common reasons to call from abroad include tax file number queries, tax residency status, superannuation, and lodging tax returns while living overseas.