Post Offices List in Earp City, California:
| Earp Post Office | 144977 Aqueduct Rd, Earp, CA 92242 |
| Big River Post Office | 150400 Turquoise Rd, Earp, CA 92242 |
| Earp Post Office | 144977 Aqueduct Rd, Earp, CA 92242 |
| Big River Post Office | 150400 Turquoise Rd, Earp, CA 92242 |