This should be pretty close.
Police Identifiers
13 Hellertown Borough 36 Plainfield Township
16 Lower Saucon Township 37 Upper Mount Bethel Township
20 Easton City 38 Washington Township
22 Tatamy Borough 40 Bath Borough
24 Wilson Borough 42 Northampton Borough
25 Forks Township 43 North Catasauqua Borough
26 Lower Mount Bethel Township 46 East Allen Township
27 Palmer Township 47 Lehigh Township
28 Williams Township 48 Moore Township
30 Bangor Borough 50 Nazareth Borough
31 East Bangor Borough 51 Stockertown Borough
32 Pen Argyl Borough 52 Bushkill Township
33 Portland Borough 54 Upper Nazareth Township
34 Roseto Borough 90 Colonial Regional
35 Wind Gap Borough
Sorry for the format.