zlacker

>>gjvc+(OP)
There is also a step-by-step in Florida still in the public phone network.

https://www.telcodata.us/view-switch-detail-by-clli?clli=LGW...

https://www.telcodata.us/search-area-code-exchange-detail?np...

>>aftbit+UB1
It looks like there are a few:

https://www.telcodata.us/search-switches-by-switch-type?type...

https://www.telcodata.us/search-switches-by-switch-type?type...