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The following is a list of routing codes used by AT&T and Bell
Operating Companies (BOC) that you can blue box to. Most codes are
used by dialing KP+NPA+XXX+ST where XXX= the code, except where noted.
There are notes attached after this list. Codes marked with a ? are
unfamiliar to us.
I have seen many philes written on COSMOS in which all they did was to
Copy the information out of a COSMOS manual they found while trashing. This
tutorial will have some information from the manual, but mainly was written
using information of first-hand experience while on the system.