a need for speed

Can below be done without having to read thru each record in detail 
file(Telephone Master)?

I need to summarize a big telephone master file (22M+) into ranges.  I'm 
attempting to use read, reap, setll to avoid the need to read each phone number 
record to create this summary file.  However, no luck so far.

The detail file looks like below:
AreaCode    Prefix    Suffix    Terminal
 601         123       0001      JSN
 601         123       0002      JSN
 601         123       0003      JSN
 601         123       0004      JSN
 601         123       0009      BTD
 601         123       0010      BTD
 601         123       0044      BTD 
 601         123       0091      JSN
 601         123       0092      JSN
 .
 . 
 .


The summary file is by AreaCode, Prefix, Terminal, From Suffix, to Suffix.  
Using above data, the result should be as follow:
AreaCode    Prefix    Terminal    From Suffix    to Suffix
601          123        JSN         0001           0004
601          123        BTD         0009           0044 
601          123        JSN         0091           0092