Hi, tmbargain, I hope the below provides you the clarification you desired, please let us know if you have any further questions!
1) While I'm physically outside USA (say, Singapore), What exactly should I dial to reach a local number in Singapore ?
+65 (local number in Singapore), remember, you are roaming, your number is based in the USA so your calling pattern would be exactly the same as calling international from the US.
2) What will the charge for (1) above ?
$0.20 / minute while in a Simple Global country to any country for incoming/outgoing (Singapore is a Simple Global Country)
3) While I'm physically outside USA (say, Singapore), what exactly should I dial to a call a number in USA ?
Call as normal, as your phone is based in the USA.
4) What will the charge for (3) above ?
$0.20 / minute while in a Simple Global countryto any country for incoming/outgoing (Singapore is a Simple Global Country)
5) While I'm physically outside USA (say, Singapore), what exactly a local phone in singapore needs to dial to call me ?
001 1 (your number) or 008 1 (your number). The 001 and 008 are Singapore's exit codes.
6) What will be the charge for (5) above. ie,talking on a INCOMING call originating outside USA ?
$0.20 / minute while in a Simple Global country to any country for incoming/outgoing
6a) What will be the charge for talking on an INCOMING call originating from USA ?
$0.20 / minute while in a Simple Global countryto any country for incoming/outgoing
7) While I'm physically outside USA (say, Singapore), What exactly should I dial to send a text to a local number in Singapore ?
+65 (local number in Singapore), remember, you are roaming, your number is based in the USA so your texting pattern would be exactly the same as texting international from the US.
8) What will the charge for (7) above ?
FREE Unlimited SMS/MMS while in a Simple Global country to any country for incoming / outgoing
9) While I'm physically outside USA (say, Singapore), what exactly should I dial to send a text to a number in USA ?
Text as normal, as your phone is based in the USA.
10) What will the charge for (9) above ?
FREE Unlimited SMS/MMS while in a Simple Global country to any country for incoming / outgoing
11) While I'm physically outside USA (say, Singapore), what exactly a local phone in singapore needs to dial to send a text to me ?
001 1 (your number) or 008 1 (your number). The 001 and 008 are Singapore's exit codes.
12) What will be the charge for (11) above ? (ie, receiving a text originating outside USA )
FREE Unlimited SMS/MMS while in a Simple Global country to any country for incoming / outgoing
12a) What will be the charge for receiving an INCOMING text originating from USA ?
FREE Unlimited SMS/MMS while in a Simple Global country to any country for incoming / outgoing