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).
I did a package from Wattana Bangkok to a postal code in London on UPS and it was between 10,000 baht and 18,000 baht depending on the type of service. They have other offices around Thailand but these are the head offices.