| Place | Postal Code |
|---|---|
| Bałamutowo, Stare Juchy | 19-330 |
| Czerwonka, Stare Juchy | 19-330 |
| Dobra Wola, Stare Juchy | 19-330 |
| Gorło, Stare Juchy | 19-330 |
| Gorłówko, Stare Juchy | 19-330 |
| Grabnik, Stare Juchy | 19-330 |
| Grabnik Osada, Stare Juchy | 19-330 |
| Jeziorowskie, Stare Juchy | 19-330 |
| Kałtki, Stare Juchy | 19-330 |
| Królowa Wola, Stare Juchy | 19-330 |
| Łaśmiady, Stare Juchy | 19-330 |
| Liski, Stare Juchy | 19-330 |
| Nowe Krzywe, Stare Juchy | 19-330 |
| Olszewo, Stare Juchy | 19-330 |
| Orzechowo, Stare Juchy | 19-330 |
| Ostrów, Stare Juchy | 19-324 |
| Panistruga, Stare Juchy | 19-330 |
| Płowce, Stare Juchy | 19-330 |
| Rogale, Stare Juchy | 19-330 |
| Rogalik, Stare Juchy | 19-330 |
| Sikory Juskie, Stare Juchy | 19-330 |
| Skomack Wielki, Stare Juchy | 19-324 |
| Skomack Wielki Osada, Stare Juchy | 19-330 |
| Stare Juchy, Stare Juchy | 19-330 |
| Stare Krzywe, Stare Juchy | 19-330 |
| Szczecinowo, Stare Juchy | 19-330 |
| Postal Codes in Ełcki | |
|---|---|
| Ełk, Ełcki | |
| Ełk (Gmina), Ełcki | |
| Kalinowo, Ełcki | |
| Prostki, Ełcki | |
| Stare Juchy, Ełcki | |