| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Harbo, Heby | 740 47 |
| Postal/ZIP Codes in Heby, Heby | 744 |
| Postal/ZIP Codes in Huddungeby, Heby | 744 92 |
| Postal/ZIP Codes in Morgongåva, Heby | 744 |
| Postal/ZIP Codes in Östervåla, Heby | 740 46 |
| Postal/ZIP Codes in Runhällen, Heby | 744 93 |
| Postal/ZIP Codes in Tärnsjö, Heby | 740 45 |
| Postal/ZIP Codes in Vittinge, Heby | 744 95 |