'00' is not part of the country code, it is a commonly used international access prefix. Country code +20 is Egypt, but there is no area code 87 in Egypt.
In the UK, a number beginning with 02087 is in area code 020 (London, +44 20 internationally).
(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.)
Country code +43 is Austria.
Country code +90 is Turkey.
Country code +358 is Finland.
009o5488913552
In what country?
The country code for Ghana is +233.
if it the dialing code your looking for its (63)
+692
The International country calling code of Slovakia is +421.
+92 is the call code for Pakistan
628 is an area code for the San Francisco area.
'00' is not part of the country code, it is a commonly used international access prefix. Country code +371 is Latvia.