Average GPS coordinates for Longmont Postcode location: 40.138, -105.147. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Longmont on map:

---

Listing cities & postcodes (4):
>> Colorado, 80501 Longmont, Boulder, GPS coordinates: 40.1779,-105.101
>> Colorado, 80502 Longmont, Boulder, GPS coordinates: 40.0878,-105.3735
>> Colorado, 80503 Longmont, Boulder, GPS coordinates: 40.1559,-105.1624
>> Colorado, 80504 Longmont, Weld, GPS coordinates: 40.1306,-104.9504