* region represented by that country calling code. In the case of multiple
* countries sharing a calling code, such as the NANPA regions, the one
* indicated with "isMainCountryForCode" in the metadata should be first.
* region represented by that country calling code. In the case of multiple
* countries sharing a calling code, such as the NANPA regions, the one
* indicated with "isMainCountryForCode" in the metadata should be first.