If the US mobile phone is a GSM mobile, replace the trunk prefix 0 of the UK number with country code +44 (including the plus symbol).
Otherwise, replace the trunk prefix 0 with 011 44.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Dial the UK mobile number in full international format: replace the trunk prefix 0 with telephone country code +44 (including the plus symbol).
00 1 xxx xxx xxxxx From a mobile dial +1 xxx xxx xxxx.
Malaysian dialing code 011-12 (or internationally +60 1112) is a Maxis mobile phone.
+34 (including the plus symbol) followed by the 9-digit Spanish number
The USA uses country code +1
00 34 and then the Spanish mobile number.
The code "+639" is part of the international dialing format for the Philippines. The "+63" is the country code for the Philippines, and the "9" typically indicates a mobile phone number. When dialing a mobile number in the Philippines from abroad, you would use this format followed by the rest of the mobile number.
A number in the Philippines beginning with +63 9 is a mobile.
Just enter the UK mobile number exactly the same way you would when that mobile is in the UK.
The telephone code 00139 is used for calling mobile numbers in Italy from abroad. The "00" is the international dialing prefix, while "139" specifically designates a mobile service provider in Italy. When dialing, callers outside Italy would need to use this code followed by the mobile number they wish to reach.
To call a UK-based mobile phone, anywhere in the world that it may be physically located, just dial the UK mobile numberexactly the same way you do when the mobile is in the UK.
The country with the dialing code plus 9747 is Qatar. Dialing code +974 is the international dialing code for Qatar. The additional digit "7" is likely a specific area or mobile phone code within Qatar. It is important to note that dialing codes can vary and change, so it is always best to verify with a current and reliable source.