There are three possibilities:
The ambiguity of different access prefixes used in different parts of the world makes it much less confusing to quote international telephone numbers beginning with the plus symbol and country code, omitting any access prefix.
(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.)
A number beginning with +353 8 is a mobile in the Republic of Ireland.
(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, and many other countries use different prefixes.)
'00' is not part of the country code, it is a commonly used international access prefix. Country code +1 is North America (USA, Canada, etc.), but you need the full three-digit area code (i.e., 55X) to be more specific. As of 2012, only area codes 551 (New Jersey) and 559 (California) are assigned, both in the USA, but other 55X codes could be assigned in the future.
025578 is not a valid telephone country code.
Country code +255, dialed as 00 255 from many places, is Tanzania.
'00' is not part of the country code, it is a commonly used international access prefix. Country code +55 is Brazil.
Portugal
Country code +65 is Singapore.
Country code +358 is Finland.
No, the dialling code for Switzerland is +41.
90 is the dialling code for Turkey
221 is the international dialling code for the country of Senegal.
Luton's dialling code is 01582.
ISO country code: CH Internet country code: .ch Vehicle registration code: CH Aircraft registration code: HB International telephone dialling code: +41
+353 (Irish country code) (0)56 (Kilkenny local dialling code)
567218 is not a dialling code from the UK, which all start with zero. The dialling code for Glasgow, Scotland is 0141.
International dialling code number, Country code number , area code number then the number.
00 is a commonly used prefix for international calls, but it is not part of the dialling code, per se. Country code +1 is North America (USA, Canada, and some nearby islands, mostly in the Caribbean), and 518 is an area code for the vicinity of Albany, New York.