HQO Supply Source Codes When the originator is the supply source (code HQO), the directive or form must be ordered from his or her organization. Use the name of the organization and address as listed below.   Organizational Reference Originating Organization Address BCR Business Customer Relations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5657 BMEP Business Mail Entry and Payment Technologies US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-0911 CA Consumer Advocate US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-2200 CC Corporate Communications US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-3100 COO Chief Operating Officer US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-0050 CR Customer Relations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5014 CSO Chief Sustainability Officer US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-4232 DEL Delivery US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-7116 EDD Employee Development and Diversity US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5600 ENG Engineering US POSTAL SERVICE 8403 LEE HIGHWAY ENG–4TH FL MERRIFIELD VA 22082-8101 ERM Employee Resource Management US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-4200 ES Expedited Shipping US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-6305 FAC Facilities US POSTAL SERVICE 4301 WILSON BLVD STE 300 ARLINGTON VA 22203-1861 FIN Controller US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5200 GB Global Business US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-4016 GC General Counsel US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-1100 GR Government Relations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-3500 GS Ground Shipping US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5626 HR Human Resources US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-4000 IMAQ Intelligent Mail® and Address Quality US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-4400 IS Chief Postal Inspector US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-2100 IT Information Technology Operations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-1500 JD Judicial Officer US POSTAL SERVICE 2101 WILSON BLVD STE 600 ARLINGTON VA 22201-3078 LR Labor Relations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-4100 MS Mailing Services US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5012 MSS Mailing and Shipping Services US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-0229 NET Network Operations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-7100 O Operations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-2700 OIG Office of Inspector General US POSTAL SERVICE 1735 N LYNN ST ARLINGTON VA 22209-2020 PMG Postmaster General US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-0010 PRI Pricing US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-5014 RET Retail Operations US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-1600 S&T Strategy and Transition US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-1520 SAL Sales US POSTAL SERVICE 1735 N LYNN ST RM 6008 ARLINGTON VA 22209-6006 SM Supply Management US POSTAL SERVICE 475 L’ENFANT PLAZA SW WASHINGTON DC 20260-6200