00 61, and then drop the leading 0 from the Australian domestic telephone number.
The telephone country code 00 790 is not a valid country code. The prefix "00" is often used as an international dialing prefix in many countries, but "790" does not correspond to any specific country. If you meant to ask about a different code, please clarify.
Telephone prefix 003 is not assigned to a specific country; instead, it is often used as a prefix for international calls that begin with "00," which is the international dialing code in many countries. When followed by another country code, it indicates the specific destination. For example, dialing 0031 would connect you to the Netherlands.
The dialling code from UK to Australia is 00 61.
The dialing code for the USA from the UK is 00 1 The area codes for Houston, Texas, are 713, 281, and 832
If you mean the telephone prefix for dialing another country (abroad) , then it's 00 followed by the country code in the United States. If you are asking a grammar question, "a" is the prefix for "aboard".
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.
+44
00 34 and then the Spanish mobile number.
'00' is not part of the country code, it is a commonly used international access prefix. Country code +371 is Latvia.
00 1
The dialing code from the United Kingdom to Lisbon, Portugal is 00 351 21 and then the specific telephone number of the person you're trying to reach. '00' is the international prefix to dial outside of the United Kingdom. '351' is the international code to dial Portugal. '21' is the local area or city code to dial Lisbon.