Nokia 3220 "31 71 57" Questions

...03 3 +1# #pw+ 88 43 31 30 62 15 53 2 +2# #pw+ 03 65 33 45 64 37 73 3 +3# #pw+ 74 80 40 06 46 02 44 3 +4# #pw+ 48 84 57 60 36 76 15 0 +5# #pw+ 73 80 40 35 76 12 04 7 +6# #pw+ 85 49 41 27 12 71 34 5