10
- 01001 Agawam
- 01002 Amherst
- 01003 Amherst
- 01005 Barre
- 01007 Belchertown
- 01008 Blandford
- 01009 Bondsville
- 01010 Brimfield
- 01011 Chester
- 01012 Chesterfield
- 01013 Chicopee
- 01020 Chicopee
- 01022 Chicopee
- 01026 Cummington
- 01027 Easthampton
- 01028 East Longmeadow
- 01029 East Otis
- 01030 Feeding Hills
- 01031 Gilbertville
- 01032 Goshen
- 01033 Granby
- 01034 Granville
- 01035 Hadley
- 01036 Hampden
- 01037 Hardwick
- 01038 Hatfield
- 01039 Haydenville
- 01040 Holyoke
- 01050 Huntington
- 01053 Leeds
- 01054 Leverett
- 01056 Ludlow
- 01057 Monson
- 01060 Northampton
- 01062 Florence
- 01063 Northampton
- 01066 North Hatfield
- 01068 Oakham
- 01069 Palmer
- 01070 Plainfield
- 01071 Russell
- 01072 Shutesbury
- 01073 Southampton
- 01074 South Barre
- 01075 South Hadley
- 01077 Southwick
- 01079 Thorndike
- 01080 Three Rivers
- 01081 Wales
- 01082 Ware
- 01083 Warren
- 01084 West Chesterfield
- 01085 Westfield
- 01086
- 01088 West Hatfield
- 01089 West Springfield
- 01092 West Warren
- 01093 Whately
- 01094 Wheelwright
- 01095 Wilbraham
- 01096 Williamsburg
- 01097
- 01098 Worthington