District code of Gampaha is GQ and Gampaha
postal codes starts from 11000. Here is the list of postal codes of Gampaha.
| Akaragama |
11536 |
| Alawala |
11122 |
| Ambagaspitiya |
11052 |
| Ambepussa |
11212 |
| Andiambalama |
11558 |
| Attanagalla |
11120 |
| Badalgama |
11538 |
| Banduragoda |
11244 |
| Batuwatta |
11011 |
| Bemmulla |
11040 |
| Biyagama |
11650 |
| Biyagama IPZ |
11672 |
| Bokalagama |
11216 |
| Bollete |
11024 |
| Bopagama |
11134 |
| Buthpitiya |
11720 |
| Dagonna |
11524 |
| Danowita |
11896 |
| Debahera |
11889 |
| Dekatana |
11690 |
| Delgoda |
11700 |
| Delwagura |
11228 |
| Demalagama |
11692 |
| Demanhandiya |
11270 |
| Dewalapola |
11102 |
| Divulapitiya |
11250 |
| Divuldeniya |
11208 |
| Dompe |
11680 |
| Dunagaha |
11264 |
| Ekala |
11380 |
| Ellakkala |
11116 |
| Essella |
11108 |
| Gampaha |
11000 |
| Ganemulla |
11020 |
| GonawalaWP |
11630 |
| Heiyanthuduwa |
11618 |
| Henegama |
11715 |
| Hinatiyana |
11568 |
| Hiswella |
11734 |
| Horampella |
11564 |
| Hunumulla |
11262 |
| Ihala Madampella |
11265 |
| Imbulgoda |
11856 |
| Ja-Ela |
11350 |
| Kadawatha |
11850 |
| Kahatowita |
11144 |
| Kalagedihena |
11875 |
| Kaleliya |
11160 |
| Kaluaggala |
11224 |
| Kandana |
11320 |
| Kapugoda |
10662 |
| Loluwagoda |
11204 |
| Lunugama |
11062 |
| Mabodale |
11114 |
| Madelgamuwa |
11033 |
| Makewita |
11358 |
| Makola |
11640 |
| Malwana |
11670 |
| Mandawala |
11061 |
| Marandagahamula |
11260 |
| Mellawagedara |
11234 |
| Pallewela |
11150 |
| Pamunugama |
11370 |
| Pamunuwatta |
11214 |
| Pasyala |
11890 |
| Peliyagoda |
11830 |
| Pepiliyawala |
11741 |
| Pethiyagoda |
11043 |
| Polpithimukulana |
11324 |
| Pugoda |
10660 |
| Radawadunna |
11892 |
| Radawana |
11725 |
| Raddolugama |
11400 |
| Ragama |
11010 |
| Ruggahawila |
11142 |
| Rukmale |
11129 |
| Seeduwa |
11410 |
| Siyambalape |
11607 |
| Talahena |
11504 |
| Thimbirigaskatuwa |
11532 |
| Tittapattara |
10664 |
| Udathuthiripitiya |
11054 |
| Udugampola |
11030 |
| Uggalboda |
11034 |
| Urapola |
11126 |
| Uswetakeiyawa |
11328 |
| Veyangoda |
11100 |
| Walgammulla |
11146 |
| Walpita |
11226 |
| Walpola |
11012 |
| Wanaluwewa |
11068 |
| Wathurugama |
11724 |
| Watinapaha |
11104 |
| Wattala |
11300 |
| Weboda |
11858 |
| Yakkala |
11870 |
| Yatiyana |
11566 |
