Oh, dude, 00128 isn't a country code for the UK. The country code for the UK is +44. 00128 sounds more like a random number you'd dial by mistake after a few too many pints at the pub. Like, whoops, wrong country code!
The country code and area code of Aberdeen, United Kingdom is 44, (0)1224.
The country code for the UK is +44. The plus sign means "insert your international access prefix here."
Dialing from the USA, 00 44 would be UK. 00 is the international access code in USA followed by the country code of UK which is 44.
Australia uses country code +61, dialled as 0061 from the UK.
If the Dubai mobile has international roaming, it can be called by dialing the UAE number, country code +971. If you want to reach that phone by dialing a UK number, you may be able to swap in a UK SIM card.
No one uses that code to dial the UK, which is country code +44, not +55. '00' is a commonly used international access prefix, and +55 is the country code for Brazil.
UK
The UK
That is a mobile number - from the UK. This is distinguished by 44 - the country code for the UK, followed by 7. All the UK's mobile numbers start 07 - but when calling from abroad - you omit the zero
The code for the UK from any country is 44
Country code +44 is the UK, and +44 3 is an all-UK number.
The country code for Poland is +48, and Kraków is city code 12. From the UK, dial 00 48 12.