| Postal Code | Locality / District | Administrative Area | Coordinates |
|---|---|---|---|
| Belo sur Tsiribihina | Belo Sur Tsiribihina District · Menabe Region | -19.69787, 44.54587 | |
| Vohitromby | Antanambao Manampontsy · Atsinanana Region | -19.71667, 48.53333 | |
| Tsaravinany | Antanambao Manampontsy · Atsinanana Region | -19.61667, 48.4 | |
| Vohimary | Belo Sur Tsiribihina District · Menabe Region | -19.86667, 45.08333 | |
| Siranana | Antanambao Manampontsy · Atsinanana Region | -19.53333, 48.4 | |
| Tsitakatra | Belo Sur Tsiribihina District · Menabe Region | -19.95, 44.75 | |
| Sakalava | Antanambao Manampontsy · Atsinanana Region | -19.83333, 48.33333 | |
| Tsitakabasia | Belo Sur Tsiribihina District · Menabe Region | -19.73333, 44.61667 | |
| Saivaza | Antanambao Manampontsy · Atsinanana Region | -19.66667, 48.53333 | |
| Tsiotabato | Belo Sur Tsiribihina District · Menabe Region | -19.85, 45.1 | |
| Sahanandronana | Antanambao Manampontsy · Atsinanana Region | -19.41667, 48.58333 | |
| Tsimanatomboky | Belo Sur Tsiribihina District · Menabe Region | -19.35, 44.51667 | |
| Niarovana | Antanambao Manampontsy · Atsinanana Region | -19.51667, 48.45 | |
| Tsimanandrafozana | Belo Sur Tsiribihina District · Menabe Region | -19.78333, 44.41667 | |
| Namelorana | Antanambao Manampontsy · Atsinanana Region | -19.58333, 48.61667 | |
| Tsimaloto | Belo Sur Tsiribihina District · Menabe Region | -19.76667, 44.91667 |
Postal code prefix 91 in Madagascar covers 16 localities (primarily in Menabe Region, including Belo sur Tsiribihina), spanning from 911 to 918.
There are 8 active postal codes starting with 91 in Madagascar. Use the interactive directory table above to filter by locality or copy any code in one click.