| Business | Phone |
| El Centro City Bus Svc 1101 Airport Rd # N, Imperial 92251 | (760) 355-1160 |
| Imperial Building Dept 420 S Imperial Ave, Imperial 92251 | (760) 355-1064 |
| Imperial City Inspections Imperial 92251 | (760) 355-1151 |
| Imperial City Planning Dir 420 S Imperial Ave, Imperial 92251 | (760) 355-1152 |
| Imperial City Shop 720 E 14th St, Imperial 92251 | (760) 355-2734 |
| Imperial Wastewater Plant 701 14th St, Imperial 92251 | (760) 355-2718 |
| Imperial Water Plant 201 S B St, Imperial 92251 | (760) 355-2155 |