451. Seuil de l' Imanan, Niamey
452. Sewan, Niamey
453. Seydi, Maradi
454. Seyelle, Diffa
455. Seyeri, Zinder
456. Sheri, Diffa
457. Shigwiyo, Tahoua
458. Sia, Dosso
459. Siankole, Niamey
460. Siba
461. Sidaouet, Agadez
462. Sidare, Niamey
463. Sidawet, Agadez
464. Sidere, Niamey
465. Sideringa, Diffa
466. Sidi Kouara, Niamey
467. Sidi Kwara, Dosso
468. Sidi Kwara, Dosso
469. Sidi Kwara, Niamey
470. Sidi-Koara, Dosso
471. Sidine Boudoui, Agadez
472. Sidine Boudour, Agadez
473. Sidobia, Niamey
474. Siemde, Niamey
475. Sifore, Niamey

476. Sigiti, Tahoua
477. Siguine, Zinder
478. Siguiril, Maradi
479. Siguiti, Tahoua
480. Sikiey, Niamey
481. Sikye, Niamey
482. Sila, Dosso
483. Silenke Bangou, Niamey
484. Silennke-Bangou, Niamey
485. Silfaye, Dosso
486. Simeri
487. Siminti, Niamey
488. Simiri
489. Simiti, Maradi
490. Simiti Keyna, Niamey
491. Simiti-Kaina, Niamey
492. Sin Gerawa, Maradi
493. Sin Guerawa, Maradi
494. Sina Dey, Dosso
495. Sina Kwara, Dosso
496. Sina-Deye, Dosso
497. Sina-Koara, Dosso
498. Sinaifal, Tahoua
499. Sinanouatara, Tahoua
500. Sinanwatara, Tahoua