There are a total of 112 Postal Codes in San Martín Region Peru
| Postal Code | Place Name | Region | Province |
|---|---|---|---|
| 22000 | Moyobamba | San Martín | Moyobamba |
| 22001 | Moyobamba | San Martín | Moyobamba |
| 22051 | Yantalo | San Martín | Moyobamba |
| 22100 | Jepelacio | San Martín | Moyobamba |
| 22101 | Jepelacio | San Martín | Moyobamba |
| 22110 | Alonso de Alvarado | San Martín | Lamas |
| 22111 | Alonso de Alvarado | San Martín | Lamas |
| 22120 | Tabalosos | San Martín | Lamas |
| 22121 | Tabalosos | San Martín | Lamas |
| 22140 | Pinto Recodo | San Martín | Lamas |
| 22141 | Pinto Recodo | San Martín | Lamas |
| 22150 | Lamas | San Martín | Lamas |
| 22151 | Lamas | San Martín | Lamas |
| 22160 | Cacatachi | San Martín | San Martín |
| 22170 | Rumisapa | San Martín | Lamas |
| 22180 | Cuñumbuqui | San Martín | Lamas |
| 22190 | Zapatero | San Martín | Lamas |
| 22200 | La Banda de Shilcayo | San Martín | San Martín |
| 22202 | Tarapoto | San Martín | San Martín |
| 22215 | San Antonio | San Martín | San Martín |
| 22220 | San Roque de Cumbaza | San Martín | Lamas |
| 22235 | Caynarachi | San Martín | Lamas |
| 22236 | Caynarachi | San Martín | Lamas |
| 22240 | Barranquita | San Martín | Lamas |
| 22241 | Barranquita | San Martín | Lamas |
| 22245 | El Porvenir | San Martín | San Martín |
| 22250 | Papaplaya | San Martín | San Martín |
| 22260 | Huimbayoc | San Martín | San Martín |
| 22300 | Shapaja | San Martín | San Martín |
| 22310 | Chazuta | San Martín | San Martín |
| 22311 | Chazuta | San Martín | San Martín |
| 22320 | Alberto Leveau | San Martín | San Martín |
| 22330 | Sauce | San Martín | San Martín |
| 22331 | Sauce | San Martín | San Martín |
| 22340 | Tres Unidos | San Martín | Picota |
| 22350 | Pilluana | San Martín | Picota |
| 22370 | Shamboyacu | San Martín | Picota |
| 22371 | Shamboyacu | San Martín | Picota |
| 22400 | Juan Guerra | San Martín | San Martín |
| 22410 | Buenos Aires | San Martín | Picota |
| 22420 | Pucacaca | San Martín | Picota |
| 22430 | Picota | San Martín | Picota |
| 22431 | Picota | San Martín | Picota |
| 22440 | Caspisapa | San Martín | Picota |
| 22450 | San Cristobal | San Martín | Picota |
| 22470 | San Rafael | San Martín | Bellavista |
| 22471 | San Rafael | San Martín | Bellavista |
| 22480 | Bajo Biavo | San Martín | Bellavista |
| 22481 | Bajo Biavo | San Martín | Bellavista |
| 22490 | Alto Biavo | San Martín | Bellavista |
| 22491 | Alto Biavo | San Martín | Bellavista |
| 22500 | Pajarillo | San Martín | Mariscal Cáceres |
| 22501 | Pajarillo | San Martín | Mariscal Cáceres |
| 22510 | Huallaga | San Martín | Bellavista |
| 22521 | Canpanilla | San Martín | Mariscal Cáceres |
| 22530 | Polvora | San Martín | Tocache |
| 22531 | Polvora | San Martín | Tocache |
| 22540 | Tocache | San Martín | Tocache |
| 22541 | Tocache | San Martín | Tocache |
| 22550 | Nuevo Progreso | San Martín | Tocache |
| 22551 | Nuevo Progreso | San Martín | Tocache |
| 22560 | Uchiza | San Martín | Tocache |
| 22561 | Uchiza | San Martín | Tocache |
| 22600 | Juanjui | San Martín | Mariscal Cáceres |
| 22601 | Juanjui | San Martín | Mariscal Cáceres |
| 22610 | Pachiza | San Martín | Mariscal Cáceres |
| 22620 | Huicungo | San Martín | Mariscal Cáceres |
| 22621 | Huicungo | San Martín | Mariscal Cáceres |
| 22630 | Sacanche | San Martín | Huallaga |
| 22640 | El Eslabón | San Martín | Huallaga |
| 22650 | Piscoyacu | San Martín | Huallaga |
| 22660 | Saposoa | San Martín | Huallaga |
| 22661 | Saposoa | San Martín | Huallaga |
| 22670 | Alto Saposoa | San Martín | Huallaga |
| 22700 | San José de Sisa | San Martín | El Dorado |
| 22701 | San José de Sisa | San Martín | El Dorado |
| 22710 | Agua Blanca | San Martín | El Dorado |
| 22720 | Santa Rosa | San Martín | El Dorado |
| 22721 | Santa Rosa | San Martín | El Dorado |
| 22730 | San Pablo | San Martín | Bellavista |
| 22731 | San Pablo | San Martín | Bellavista |
| 22740 | Bellavista | San Martín | Bellavista |
| 22741 | Bellavista | San Martín | Bellavista |
| 22750 | TIingo de Saposoa | San Martín | Huallaga |
| 22760 | Shatoja | San Martín | El Dorado |
| 22770 | San Martín | San Martín | El Dorado |
| 22771 | San Martín | San Martín | El Dorado |
| 22800 | Calzada | San Martín | Moyobamba |
| 22805 | Habana | San Martín | Moyobamba |
| 22810 | Soritor | San Martín | Moyobamba |
| 22811 | Soritor | San Martín | Moyobamba |
| 22820 | Yorongos | San Martín | Rioja |
| 22825 | Rioja | San Martín | Rioja |
| 22826 | Rioja | San Martín | Rioja |
| 22835 | Posic | San Martín | Rioja |
| 22840 | Elias SoplinVargas | San Martín | Rioja |
| 22841 | Elias SoplinVargas | San Martín | Rioja |
| 22845 | Nueva Cajamarca | San Martín | Rioja |
| 22846 | Nueva Cajamarca | San Martín | Rioja |
| 22850 | Yuracyacu | San Martín | Rioja |
| 22855 | San Fernando | San Martín | Rioja |
| 22860 | Awajun | San Martín | Rioja |
| 22861 | Awajun | San Martín | Rioja |
| 22865 | Pardo Miguel | San Martín | Rioja |
| 22866 | Pardo Miguel | San Martín | Rioja |