When activating your SIM card, you can choose to transfer over a phone number or get a new number.
If you're getting a new wireless phone number
You must use a US-based zip code, preferably of a major city. Invalid zip codes will result in an 'unsupported zip code' error. The area code generated for your new number will depend on the zip code entered during activation.
If the error appears even when entering a US zip code, please double-check that you've entered the number correctly and that your zip code corresponds with a US city.
In certain situations, there may not be any available phone numbers for the area code in your chosen location. We recommend trying a nearby zip code and area code to increase your chances of finding a suitable number.
Finally, if the problem persists when entering multiple zip codes, you may have a problem with your web browser. Try the activation process again in a private browser or clear your browser history and then start again.
If you are attempting to transfer a phone number from another wireless carrier, and you're receiving an error, please get in touch with a customer service representative. An agent will be able to further assist you.