City
- Amesbury
- Athol
- Billerica
- Boston
- Chelmsford
- Dunstable
- Falmouth
- Fitchburg
- Gardner
- Greenfield
- Groton
- Haverhill
- Lawrence
- Merrimac
- Methuen
- Monroe
- North Adams
- Phillipston
- Salisbury
- Shrewsbury
- Templeton
- Tewksbury
- Topsfield
- Williamstown
County
Zip Code
- 01247
- 01267
- 01301
- 01331
- 01350
- 01420
- 01436
- 01440
- 01450
- 01468
- 01545
- 01821
- 01827
- 01830
- 01832
- 01835
- 01843
- 01844
- 01860
- 01863
- 01876
- 01913
- 01952
- 01983
- 02131
- 02556
School District
- Groton School District
- Haverhill Sch District SAU #23
- Narragansett School District
- Salisbury School District