Boston EMS just underwent reprogramming for narrowband and changed their DPL's, here's the updated info:
TAC-1 462.975 DPL 072
TAC-2 458.1375 DPL 311 Low power simplex
TAC-3 462.9500 DPL 143
TAC-4 458.0625 DPL 343 Low power simplex
TAC-5 460.5500 P25 (RX NAC Unknown)
TAC-6 453.7750 DPL 244
TAC-7 460.5250 DPL 131
TAC-1 462.975 DPL 072
TAC-2 458.1375 DPL 311 Low power simplex
TAC-3 462.9500 DPL 143
TAC-4 458.0625 DPL 343 Low power simplex
TAC-5 460.5500 P25 (RX NAC Unknown)
TAC-6 453.7750 DPL 244
TAC-7 460.5250 DPL 131