58 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 19446 | Lansdale | 61,848 |
| 19464 | Pottstown | 49,101 |
| 19403 | Norristown | 44,017 |
| 19426 | Collegeville | 43,460 |
| 19401 | Norristown | 43,359 |
| 19038 | Glenside | 32,296 |
| 19002 | Ambler | 32,128 |
| 19406 | King Of Prussia | 30,362 |
| 19468 | Royersford | 28,194 |
| 19454 | North Wales | 27,755 |
| 19438 | Harleysville | 25,438 |
| 19006 | Huntingdon Valley | 23,443 |
| 19040 | Hatboro | 22,078 |
| 19027 | Elkins Park | 20,420 |
| 19422 | Blue Bell | 20,412 |
| 19428 | Conshohocken | 20,411 |
| 19090 | Willow Grove | 19,662 |
| 19046 | Jenkintown | 19,640 |
| 19440 | Hatfield | 19,431 |
| 19001 | Abington | 17,867 |
| 19525 | Gilbertsville | 17,725 |
| 19044 | Horsham | 17,279 |
| 19473 | Schwenksville | 17,259 |
| 19462 | Plymouth Meeting | 16,331 |
| 19096 | Wynnewood | 15,249 |
| 18969 | Telford | 15,245 |
| 18964 | Souderton | 14,546 |
| 18073 | Pennsburg | 11,755 |
| 19004 | Bala Cynwyd | 11,230 |
| 19444 | Lafayette Hill | 11,065 |
| 19072 | Narberth | 10,129 |
| 19095 | Wyncote | 8,030 |
| 19034 | Fort Washington | 7,488 |
| 19025 | Dresher | 7,423 |
| 19075 | Oreland | 7,384 |
| 19012 | Cheltenham | 6,910 |
| 19066 | Merion Station | 5,839 |
| 18041 | East Greenville | 5,768 |
| 18074 | Perkiomenville | 5,590 |
| 19405 | Bridgeport | 5,145 |
| 18054 | Green Lane | 4,932 |
| 19031 | Flourtown | 4,929 |
| 19035 | Gladwyne | 3,937 |
| 18076 | Red Hill | 2,833 |
| 18915 | Colmar | 1,648 |
| 19453 | Mont Clare | 1,259 |
| 19009 | Bryn Athyn | 1,124 |
| 19492 | Zieglerville | 811 |
| 19437 | Gwynedd Valley | 531 |
| 19490 | Worcester | 507 |
| 19436 | Gwynedd | 435 |
| 18936 | Montgomeryville | 296 |
| 19456 | Oaks | 286 |
| 18070 | Palm | 223 |
| 19474 | Skippack | 222 |
| 19477 | Spring House | 136 |
| 19435 | Frederick | 75 |
| 19472 | Sassamansville | 54 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 58 ZCTAs in Montgomery County, Pennsylvania (US Census).