1st Maintenance BattalionPO BOX 555647
Camp Pendleton,
CA 92055

Command Duty Officer:
(760) 725-4363

Directory Assistance:
(760) 725-4111

S1 - (760) 725-3159
S2 - (760) 725-3373
S3 - (760) 763-5359
S4 - (760) 725-3532
S6 - (760) 725-6680
DRC - (760) 725-3532; (760) 208-7072
Chaplain- (760) 763-4040
Duty Phone Number - (760) 725-4363

H&S Co.
Admin - (760) 763-4040
Engineer Maintenance Company
Admin - (760) 725-4388
Maintenance Operations Section
Admin - (760) 763-5276/77
Ordnance Maintnenace Company
Admin - (760) 725-3714
Repairable Management Company
Admin - (760) 725-8419
Supply
Admin - (760) 725-3902