Not in the US, but we had a country-wide number that each local station simply routed to a local extension. Sometimes, even multi-line wasn’t available at some

Not in the US, but we had a country-wide number that each local station simply routed to a local extension. Sometimes, even multi-line wasn’t available at some stations, so it was just a sequential list of extensions to try. Looks like a hack, but it worked flawlessly.