USPS EXAM 421 ACTUAL EXAM PAPER 2026
TESTED QUESTIONS AND SOLUTIONS
GRADED A+
◍ 24-Hour Clock. Answer: Improve effectiveness through
standardization & innovation. End-to-end process to ensure mail is
Collected, distributed, and delivered. USPS runs on this.
◍ Delivery Methods. Answer: Planes, trucks, cars, boats, bicycles,
snow mobiles, mules.
◍ APC. Answer: Automated Postal Centers
◍ Automated Postal Centers. Answer: Self-serve kiosks, commercial
retail outlets, banks, ATMs.
◍ Mail Arrival Profile. Answer: Determines operational startup &
staffing.
◍ CET. Answer: Critical Entry Time
◍ Clearance Time. Answer: Mail is cleared for dispatch.
◍ 18:00. Answer: Carriers in from street.
,◍ 20:00. Answer: 80% of collection mail should be cancelled at the
P&DC.
◍ 23:00. Answer: Out of primary processing.
◍ 24:00. Answer: Secondary Operations Complete
◍ 04:00-09:00. Answer: Distribute to DDC/DDU
◍ 07:00. Answer: 100% of DPS 2nd pass complete.
◍ Core Responsibility. Answer: Security, Sanctity, Preserve, Protect -
Instills customer confidence, projects positive public image, maintains
competitive advantage, protects privacy.
◍ PolicyNet. Answer: Online resource to find handbooks, manuals,
publications.
◍ Directives. Answer: Policies, Procedures, Regulations - Effects in
four ways: productivity, revenue, legal liability, customer service.
◍ DMM. Answer: Domestic Mail Manual
,◍ Domestic Mail Manual. Answer: DMM - Policies, procedures and
regulatins for domestic mail. Information on extra services, postage
prices, mail classes.
◍ IMM. Answer: International Mail Manual
◍ International Mail Manual. Answer: IMM - Mailing conditions for
each country, also includes a list of countries.
◍ ASM. Answer: Adminstrative Support Manual
◍ Administrative Support Manual. Answer: Policies, procedures for
adminstrative and support functions. Information covering audits,
investigations, communication, facilities, equipment and privacy.
◍ POM. Answer: Postal Operations Manual
◍ Postal Operations Manual. Answer: Operations function of field
organizations. Information regarding retail, philatelic, collection, mail
processing, transportation, delivery, vehical operation.
◍ ELM. Answer: Employee & Labor Relations Manual
◍ Employee & Labor Relations Manual. Answer: Personnel policies
and regulations. Employee placement, pay, benefits, training, health
and environment, labor relations.
, ◍ F101. Answer: Field Accounting Procedures
◍ AS or MS. Answer: Handbook ID for Administrative Support
Manual (ASM)
◍ DM. Answer: Handbook ID for Domestic Mail Manual (DMM)
◍ EL or P. Answer: Handbook ID for Employee & Labor Relations
Manual (ELM)
◍ M. Answer: Handbook ID for Postal Operations Manual (POM) or
Administrative Support Manual (ASM)
◍ PO. Answer: Handbook ID for Postal Operations Manual (POM)
◍ Publications. Answer: Primarily for public, marketing and mail
guidelines.
◍ Postal Bulletin. Answer: Official source of updates and
amendments to current directives. Can be accessed through
PolicyNet. Biweekly.
◍ Postal Forms. Answer: Can be searched by title or number. Website
also provides links to OPM, GSA, TSH, OSHA, OWCP.
TESTED QUESTIONS AND SOLUTIONS
GRADED A+
◍ 24-Hour Clock. Answer: Improve effectiveness through
standardization & innovation. End-to-end process to ensure mail is
Collected, distributed, and delivered. USPS runs on this.
◍ Delivery Methods. Answer: Planes, trucks, cars, boats, bicycles,
snow mobiles, mules.
◍ APC. Answer: Automated Postal Centers
◍ Automated Postal Centers. Answer: Self-serve kiosks, commercial
retail outlets, banks, ATMs.
◍ Mail Arrival Profile. Answer: Determines operational startup &
staffing.
◍ CET. Answer: Critical Entry Time
◍ Clearance Time. Answer: Mail is cleared for dispatch.
◍ 18:00. Answer: Carriers in from street.
,◍ 20:00. Answer: 80% of collection mail should be cancelled at the
P&DC.
◍ 23:00. Answer: Out of primary processing.
◍ 24:00. Answer: Secondary Operations Complete
◍ 04:00-09:00. Answer: Distribute to DDC/DDU
◍ 07:00. Answer: 100% of DPS 2nd pass complete.
◍ Core Responsibility. Answer: Security, Sanctity, Preserve, Protect -
Instills customer confidence, projects positive public image, maintains
competitive advantage, protects privacy.
◍ PolicyNet. Answer: Online resource to find handbooks, manuals,
publications.
◍ Directives. Answer: Policies, Procedures, Regulations - Effects in
four ways: productivity, revenue, legal liability, customer service.
◍ DMM. Answer: Domestic Mail Manual
,◍ Domestic Mail Manual. Answer: DMM - Policies, procedures and
regulatins for domestic mail. Information on extra services, postage
prices, mail classes.
◍ IMM. Answer: International Mail Manual
◍ International Mail Manual. Answer: IMM - Mailing conditions for
each country, also includes a list of countries.
◍ ASM. Answer: Adminstrative Support Manual
◍ Administrative Support Manual. Answer: Policies, procedures for
adminstrative and support functions. Information covering audits,
investigations, communication, facilities, equipment and privacy.
◍ POM. Answer: Postal Operations Manual
◍ Postal Operations Manual. Answer: Operations function of field
organizations. Information regarding retail, philatelic, collection, mail
processing, transportation, delivery, vehical operation.
◍ ELM. Answer: Employee & Labor Relations Manual
◍ Employee & Labor Relations Manual. Answer: Personnel policies
and regulations. Employee placement, pay, benefits, training, health
and environment, labor relations.
, ◍ F101. Answer: Field Accounting Procedures
◍ AS or MS. Answer: Handbook ID for Administrative Support
Manual (ASM)
◍ DM. Answer: Handbook ID for Domestic Mail Manual (DMM)
◍ EL or P. Answer: Handbook ID for Employee & Labor Relations
Manual (ELM)
◍ M. Answer: Handbook ID for Postal Operations Manual (POM) or
Administrative Support Manual (ASM)
◍ PO. Answer: Handbook ID for Postal Operations Manual (POM)
◍ Publications. Answer: Primarily for public, marketing and mail
guidelines.
◍ Postal Bulletin. Answer: Official source of updates and
amendments to current directives. Can be accessed through
PolicyNet. Biweekly.
◍ Postal Forms. Answer: Can be searched by title or number. Website
also provides links to OPM, GSA, TSH, OSHA, OWCP.
