The service areas which Early Development Connections serves:
- Los Angeles County
- Altadena
- Azusa
- Baldwin Park
- City of Industry
- Claremont
- Covina
- Diamond Bar
- Duarte
- El Monte
- Glendora
- Hacienda Heights
- Irwindale
- La Puente
- Monrovia
- Pomona
- Rowland Heights
- Walnut and West Covina