Faxing to the UK is mostly about getting the +44 format right (and dropping the leading 0 in the area code). Below are the exact examples, typical costs, and a few gotchas that cause failed faxes.
+440 from the area code020 1234 5678 → International +44 20 1234 56780161 555 0123 → +44 161 555 0123See all codes: International Country Codes
0 in UK area codesYes—UK numbers usually drop the trunk 0 when you add +44. Example: 020… becomes +44 20…
The UK country code is +44.
Most failures are number-format issues (keeping the leading 0), busy lines, or poor file quality. Retry during UK business hours.