Kody pocztowe 21-xxx
78 kodów pocztowych zaczynających się od 21. Obszar: Biała Podlaska, Łuków, Lubartów, Świdnik, Międzyrzec Podlaski.
| Kod | Poczta | Miejscowości | Adresy |
|---|---|---|---|
| 21-002 | Panieńszczyzna | 11 | 3022 |
| 21-003 | Jakubowice Konińskie | 11 | 3994 |
| 21-007 | Krępiec | 18 | 4173 |
| 21-008 | Dąbrowica | 10 | 2095 |
| 21-010 | Łęczna | 17 | 3399 |
| 21-011 | Łęczna | 1 | 1 |
| 21-013 | Puchaczów | 18 | 2377 |
| 21-017 | Łęczna | 1 | 1 |
| 21-020 | Milejów | 23 | 2965 |
| 21-025 | Niemce | 18 | 4218 |
| 21-030 | Motycz | 14 | 4550 |
| 21-040 | Świdnik | 7 | 7720 |
| 21-044 | Trawniki | 11 | 3297 |
| 21-050 | Piaski | 40 | 3993 |
| 21-060 | Fajsławice | 13 | 1923 |
| 21-065 | Częstoborowice | 14 | 1493 |
| 21-070 | Cyców | 29 | 2637 |
| 21-075 | Dratów | 22 | 2027 |
| 21-077 | Jawidz | 15 | 2240 |
| 21-080 | Garbów | 13 | 3075 |
| 21-100 | Lubartów | 25 | 8796 |
| 21-102 | Leszkowice | 15 | 1492 |
| 21-103 | Lubartów | 1 | 1 |
| 21-104 | Pałecznica | 15 | 2279 |
| 21-107 | Wola Sernicka | 10 | 1712 |
| 21-109 | Krasne | 11 | 1663 |
| 21-110 | Ostrów Lubelski | 11 | 2452 |
| 21-132 | Kamionka | 27 | 2851 |
| 21-136 | Firlej | 16 | 2608 |
| 21-140 | Michów | 31 | 2504 |
| 21-143 | Abramów | 11 | 1520 |
| 21-146 | Jeziorzany | 13 | 1072 |
| 21-150 | Kock | 18 | 2527 |
| 21-152 | Lublin | 1 | 1 |
| 21-200 | Parczew | 20 | 5028 |
| 21-205 | Jabłoń | 12 | 1246 |
| 21-210 | Milanów | 13 | 1455 |
| 21-211 | Białka | 20 | 1975 |
| 21-220 | Siemień | 21 | 1717 |
| 21-222 | Podedwórze | 13 | 703 |
| 21-230 | Lublin | 22 | 1445 |
| 21-300 | Radzyń Podlaski | 21 | 5988 |
| 21-302 | Kąkolewnica | 17 | 2912 |
| 21-306 | Czemierniki | 8 | 1744 |
| 21-307 | Stok | 20 | 1922 |
| 21-310 | Wohyń | 14 | 2572 |
| 21-311 | Komarówka Podlaska | 13 | 1736 |
| 21-345 | Wola Osowińska | 15 | 2161 |
| 21-400 | Łuków | 39 | 11 983 |
| 21-404 | Szaniawy-Poniaty | 24 | 2590 |
| 21-411 | Wojcieszków | 21 | 2325 |
| 21-412 | Adamów | 16 | 1900 |
| 21-413 | Serokomla | 17 | 1602 |
| 21-421 | Sarnów | 29 | 2796 |
| 21-422 | Stanin | 1 | 273 |
| 21-426 | Mysłów | 21 | 1604 |
| 21-450 | Stoczek Łukowski | 38 | 3758 |
| 21-470 | Krzywda | 24 | 2498 |
| 21-480 | Okrzeja | 2 | 823 |
| 21-481 | Wola Gułowska | 1 | 132 |
| 21-500 | Biała Podlaska | 47 | 19 780 |
| 21-504 | Rokitno | 17 | 1200 |
| 21-505 | Janów Podlaski | 19 | 2137 |
| 21-509 | Kodeń | 17 | 1561 |
| 21-512 | Zalesie | 21 | 1696 |
| 21-515 | Sławatycze | 13 | 1235 |
| 21-518 | Sosnówka | 13 | 1037 |
| 21-523 | Tuczna | 17 | 1428 |
| 21-530 | Piszczac | 22 | 2525 |
| 21-532 | Łomazy | 21 | 2837 |
| 21-533 | Rossosz | 6 | 906 |
| 21-540 | Małaszewicze | 5 | 850 |
| 21-542 | Leśna Podlaska | 18 | 1504 |
| 21-543 | Konstantynów | 14 | 1276 |
| 21-550 | Terespol | 23 | 3124 |
| 21-560 | Międzyrzec Podlaski | 36 | 7672 |
| 21-570 | Drelów | 18 | 2211 |
| 21-580 | Wisznice | 16 | 2007 |