Visit our newest sister site!
Hundreds of free aircraft flight manuals
Civilian • Historical • Military • Declassified • FREE!

TUCoPS :: Phreaking General Information :: nanpe166.doc

Release of the first digit of the CO Code from NXX to XXX This working document not only reveals the proposal to add 200 more possible prefixes to every area code, but also serves as a "rosetta stone" of all the internal numbers that once were only reachable by operators and Blue Boxers!

Click here to Download nanpe166.doc

TUCoPS is optimized to look best in Firefox® on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986-2015 AOH