| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Beitstad, Steinkjer | 7730 |
| Postal/ZIP Codes in Follafoss, Steinkjer | 7796 |
| Postal/ZIP Codes in Malm, Steinkjer | 7790 |
| Postal/ZIP Codes in Sparbu, Steinkjer | 7710 |
| Postal/ZIP Codes in Steinkjer, Steinkjer | 7711, 7712, 7713, 7714, 7715, … |
| Postal/ZIP Codes in Verrabotn, Steinkjer | 7797 |