These ID's are used for Some Sheriff and State Police Dispatch Centers. Usually the last two Numbers of the ID followed by a letter, but they sometimes use all four of the numbers in the ID, Always followed by a phonetic letter.
State Police Troop A (11xx)
Counties Covered:
State Police Troop B (12xx)
Counties Covered:
State Police Troop C (13xx)
Counties Covered:
State Police Troop D (14xx)
Counties Covered:
State Police Troop E (15xx)
Counties Covered:
State Police Troop F (16xx)
Counties Covered: