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To contact a specific ATC office, please use one of the mailboxes or phone numbers listed below.

ATC Front Office
(410) 306-4003

ATC’s 3-5-7, Plans and Operations
usarmy.apg.atec.mbx.atc-s3-5@army.mil
or call 410-278-5376

ATC S4, Logistics (Shipping and Receiving)
usarmy.apg.atec.mbx.apgr-atc-rec-whse@army.mil
or call 410-278-4938

ATC’s S8, Budget and Resource Management
usarmy.apg.atec.mbx.atc-s8-resource-management@army.mil