I'm not from the US, but I have worked with the US telecoms industry. The original reason for this was due to the numbering plan. In most countries a special 'area' code was chosen for mobiles, however in the US they…
I'm not from the US, but I have worked with the US telecoms industry. The original reason for this was due to the numbering plan. In most countries a special 'area' code was chosen for mobiles, however in the US they…