Since Buddhism denies the existence of a separate self, as explicated in the teachings of anatman and sunyata, self-realization is a contradictio in terminis for Buddhism.
If you are calling from other country than Thailand to the Bangkok area, dial IDD of your country, then international phone number (country code) +66, after that phone area code of Bangkok 2 and call number. +66 - 2 (Telephone number).
The full name of Bangkok. Unless talking to foreigners who don't know any different, Thais will never call their capital city Bangkok - indeed, some Thais in the more remote provinces may never have even heard of it being called that. Instead in Thai it is known as Krung Thep (à¸à¸£à¸¸à¸à¹à¸à¸), which roughly translates to 'City of Angels'.