Before you ask me to try Optus support on the app, please note I've tried for 2 days in a row with no helpful advice. I am trying to call USPS that begins with 1800 and I keep getting the error "Optus advises that the number you dialled is disconnected". Does anyone have any advice on how I can get this solved? It's been really frustrating and support on the app has been of no help.
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I would't have thought that USPS would have had a local Australian 1800 number ( did a quick search and could no find any). Are you maybe trying to call their US 1800 number?
@Cg1234 If you are trying to call the United States Postal Service with a 1800 number from outside the United States I don't believe that the United States Postal Service would have a 1800 Service outside the United States.
Im trying to contact USPS. Not UPS. Thanks
And are you trying to call an Australian 1800 number or a US 1800 number?
OK. So for US numbers you need to prefix the number with 0011 1 when calling from a fixed line or from a mobile, and with a mobile you can use +1 prefix instead.
So for 1-800-ASK-USPS (1-800-275-8777)
It would be 0011 1 1-800-275-8777
or +1 1-800-275-8777
Note that US freecall numbers are not free from Australia. You will be charged international call rates to call it.
Edit: Looks like for 1800 numbers the international you need to drop the 1 from the 1800 portion. So try this instead:
It would be 0011 1 800-275-8777
or +1 800-275-8777