BBS list
27 BBS systems.
lol
I can remember in the mid-90s when there were over 2000 BBS systems throughout the country.
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If the government did pull the plug somehow on the Internet, dozens, hundreds of BBS systems would spring up overnight. The software still exists. The equipment still exists. FidoNet is still around.
You are correct, though - the telnet-only BBS list is much longer than the ones accepting dial-up. Many were formerly dial-up as well and could easily revert to that.