27–
Kody w prefiksie 27–
44 kodów
| Kod | Miasto | Adr. | Ulic |
|---|---|---|---|
| 27-100 | Iłża | 4 743 | 73 |
| 27-103 | Krzyżanowice | 1 | 1 |
| 27-200 | Starachowice | 7 538 | 312 |
| 27-215 | Wąchock | 2 543 | 64 |
| 27-220 | Mirzec | 2 584 | 17 |
| 27-225 | Chybice | 4 226 | 2 |
| 27-230 | Brody | 3 550 | 92 |
| 27-300 | Lipsko | 3 648 | 55 |
| 27-304 | Brzyska Wola | 1 | 1 |
| 27-310 | Ciepielów | 1 947 | 20 |
| 27-312 | Chotcza Dolna | 1 095 | 1 |
| 27-320 | Solec nad Wisłą | 2 482 | 30 |
| 27-330 | Pawłowice | 1 | 1 |
| 27-350 | Sienno | 2 636 | 17 |
| 27-353 | Grabowiec | 1 761 | 6 |
| 27-400 | Ostrowiec Świętokrzyski | 13 886 | 404 |
| 27-415 | Kunów | 3 314 | 54 |
| 27-420 | Bodzechów | 1 115 | 21 |
| 27-423 | Pętkowice | 1 410 | 1 |
| 27-425 | Waśniów | 2 213 | 8 |
| 27-435 | Bardo | 2 | 1 |
| 27-440 | Ćmielów | 2 759 | 41 |
| 27-500 | Opatów | 3 135 | 62 |
| 27-501 | Opatów | 1 | 1 |
| 27-506 | Słupia Nadbrzeżna | 1 | 1 |
| 27-515 | Tarłów | 2 072 | 15 |
| 27-530 | Lasocin | 1 513 | 41 |
| 27-532 | Bidziny | 1 333 | 1 |
| 27-540 | Lipnik | 682 | 1 |
| 27-545 | Włostów | 733 | 1 |
| 27-552 | Baćkowice | 1 498 | 1 |
| 27-570 | Iwaniska | 2 252 | 21 |
| 27-580 | Obręczna | 1 370 | 2 |
| 27-600 | Sandomierz | 7 518 | 197 |
| 27-609 | — | 1 | 1 |
| 27-612 | Wysiadłów | 1 285 | 1 |
| 27-620 | Dwikozy | 1 882 | 20 |
| 27-623 | Międzyświeć | 2 | 2 |
| 27-630 | Zawichost | 1 610 | 42 |
| 27-640 | Klimontów | 2 496 | 28 |
| 27-641 | Kleczanów | 2 089 | 2 |
| 27-650 | Samborzec | 142 | 1 |
| 27-660 | Koprzywnica | 1 827 | 35 |
| 27-670 | Chodków Nowy | 1 472 | 1 |