For example, {TAIL ~ the user} may view {HEAD ~ the area code} of one of the numbers and recognize the number as being a long distance call that is more expensive 
For example , { TAIL ~ the user } may view { HEAD ~ the area code } of one of the numbers and recognize the number as being a long distance call that is more expensive
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH