USPS Exam 955 — What to Expect and How to Prepare
USPS Exam 955 — What to Expect and How to Prepare
If you have applied for a maintenance or technical position with the United States Postal Service you will almost certainly need to pass USPS Exam 955. It is one of the most important steps in the USPS hiring process and your score directly affects your chances of being offered the job. This complete guide explains exactly what the exam covers, how it is scored, how competitive it is and what you can do to give yourself the best possible preparation before your test date.
The United States Postal Service is one of the largest employers in the country with a workforce of over 600,000 employees. USPS jobs offer strong salaries, excellent federal benefits, job security and opportunities for advancement — which makes them consistently competitive. For maintenance and technical roles the gateway to that career is Exam 955.
Unlike some employment assessments that are designed simply to screen out unqualified candidates USPS Exam 955 is used to rank applicants. That means your score does not just determine whether you pass — it determines where you sit on the hiring register. The higher your score the stronger your position and the sooner you are likely to receive a job offer.
What Is USPS Exam 955?
USPS Exam 955 is a pre-employment assessment used by the United States Postal Service to evaluate candidates for maintenance and technical positions. It tests knowledge and skills across a range of technical subject areas relevant to the maintenance trades that keep postal facilities running effectively.
The exam is computer based and is typically administered at a postal facility or designated testing location. It is part of a broader USPS hiring process that also includes an interview, background check and in some cases a driving record review depending on the specific role.
Exam 955 is specifically used for maintenance roles — if you are applying for a mail carrier or retail clerk position you would face a different USPS assessment such as Exam 474 or Exam 477. Make sure you are preparing for the correct exam for your specific role before investing time in study materials.
Who Is USPS Exam 955 For?
Exam 955 is required for candidates applying to the following USPS maintenance and technical positions:
- Building Equipment Mechanic
- Electronic Technician
- Maintenance Mechanic
- Maintenance Mechanic — MPE
- Postal Police Officer — in some locations
- General Maintenance Technician
- Maintenance Mechanic Group Leader
These are skilled technical roles that require a solid foundation in mechanical, electrical and electronic principles. The exam is designed to assess that foundation before candidates are invited to interview and considered for hire.
What Does USPS Exam 955 Cover?
Exam 955 tests knowledge across several technical subject areas. Here is a breakdown of each section and what it involves:
How Is USPS Exam 955 Scored?
USPS Exam 955 is scored on a scale of 0 to 100. A score of 70 or above is generally considered a passing score — but passing is only the beginning of what your score means in practical terms.
How the scoring works in practice:
- Candidates who score 70 or above are placed on a hiring register for their local area
- Candidates are ranked on that register by score — highest scores are contacted first
- Veterans receive additional preference points added to their score
- When a position opens the USPS contacts candidates from the top of the register downward
- A score of 70 that places you near the bottom of a competitive register may mean waiting a very long time for a call — or never receiving one
- Aiming for the highest possible score gives you the strongest position on the register
This ranking system is one of the most important things to understand about USPS Exam 955. It means that preparation is not just about passing — it is about scoring as highly as possible to maximise your chances of actually receiving a job offer from your register position.
How Competitive Is USPS Exam 955?
Competition for USPS maintenance positions varies significantly by location. In some areas the register may have relatively few candidates and a score in the low 80s could place you near the top. In larger metropolitan areas the register can be very competitive and candidates scoring in the 90s may still wait months for contact.
The practical implication is straightforward — you cannot know in advance exactly how competitive your local register will be. The only strategy that makes sense is to prepare as thoroughly as possible and score as highly as you can. A score of 95 puts you in a strong position in any register anywhere in the country. A score of 72 may or may not result in a job offer depending entirely on your local competition.
How to Prepare for USPS Exam 955
Effective preparation for Exam 955 needs to cover each of the technical subject areas individually. Here are the most important preparation strategies:
Electrical and Electronic Principles
This is the area where most candidates without a formal electrical background need the most work. Start with the fundamentals — Ohm's Law, voltage, current and resistance — and build from there to series and parallel circuits. Practice calculating values rather than just memorising formulas. Understanding how to apply the concepts to practical problems is what the exam tests.
Schematic Reading
Practice reading wiring diagrams and electrical schematics until you can trace circuits confidently. Learn the standard symbols for common electrical components — resistors, capacitors, switches, motors, transformers and fuses. The ability to follow a schematic from power source to load and identify what happens at each point is a testable skill that improves directly with practice.
Mechanical Principles
Review the mechanical advantage concepts for levers, pulleys and gears. Understand how gear ratios work, how belt and chain drives transmit power and how hydraulic and pneumatic systems operate. Focus on applying these concepts to practical scenarios rather than memorising abstract theory.
Safety Procedures
Study lockout tagout LOTO procedures in detail as they are commonly tested. Review basic OSHA standards for maintenance environments and understand the purpose and proper use of personal protective equipment. Safety questions are generally more straightforward than technical questions and with focused study this section can be one of your strongest areas.
Mathematical Reasoning
Review fractions, decimals, percentages, ratios and basic algebra. Practice unit conversions between imperial and metric measurements. The mathematics in Exam 955 is practical and applied — focus on the types of calculations a maintenance technician would actually use rather than advanced mathematical theory.
"I got offered the job! The practice exams were nearly the same as the real test. I felt completely prepared walking in and the score I got reflected that. Worth every penny." — Trey S., verified JobTestPrep customer
How Long Do You Need to Prepare?
The amount of preparation time you need depends heavily on your existing technical background. Candidates who already work in electrical, mechanical or maintenance trades may need two to three weeks of focused review. Candidates without a technical background who are newer to these subject areas should allow four to six weeks of consistent daily study to build the knowledge base needed to score competitively.
Suggested preparation timeline:
- Week 1: Take a diagnostic practice test to identify your strongest and weakest subject areas
- Weeks 2 and 3: Focus intensive study on your weakest areas — particularly electrical principles and schematic reading
- Week 4: Review mechanical principles, safety procedures and mathematical reasoning
- Week 5: Full timed practice tests under exam conditions — identify any remaining gaps
- Final days: Light review of key formulas and concepts — arrive rested and confident
Where to Find USPS Exam 955 Practice Tests
Because Exam 955 tests specific technical knowledge across multiple subject areas the most effective preparation uses practice tests designed to match the real exam format and content. Generic aptitude test practice or general study guides will not give you the specific technical preparation you need to score competitively.
JobTestPrep offers a dedicated USPS Exam 955 preparation pack that is specifically designed to match the format and content of the real assessment. It is a paid resource that includes full length practice tests, subject specific study guides covering every tested area and detailed answer explanations so you understand why each answer is correct.
To find the USPS Exam 955 preparation pack visit JobTestPrep, click Browse Tests at the top of the page and select USPS Exam 955 from either the Best Sellers section or the Civil Service menu. The product page shows the current pricing for each preparation tier and free sample questions you can try before deciding to purchase.
What to Expect on Test Day
- Location: The exam is typically administered at a USPS facility or designated testing centre. You will be notified of your testing location when your appointment is confirmed
- Format: Computer based multiple choice questions across all subject areas
- Duration: Approximately 1.5 to 2 hours depending on the number of questions in your specific exam version
- What to bring: Valid government issued photo identification — no other materials are needed or permitted
- Results: Your score is typically available within a few days of completing the exam through the USPS eCareer portal
- After the exam: If you score 70 or above you are placed on the hiring register for your area and may be contacted when a suitable position becomes available
Frequently Asked Questions
What is a good score on USPS Exam 955?
While 70 is the minimum passing score a genuinely competitive score is 85 or above. In highly competitive urban areas candidates scoring in the low 90s and above tend to receive job offers most consistently. Veterans who receive preference point additions to their scores have an advantage in register rankings. Aim as high as possible rather than simply aiming to pass.
Can I retake USPS Exam 955 if I am not happy with my score?
USPS policies on retaking exams change periodically. In general candidates may be able to retake the exam after a waiting period — but retake availability depends on whether the exam is currently open for applications in your area. Check the USPS eCareer portal directly for current retake policies and upcoming exam availability in your location.
Do I need prior maintenance experience to take Exam 955?
No prior maintenance experience is required to sit the exam. However the subject matter tested assumes a reasonable foundation in electrical, mechanical and technical principles. Candidates without a technical background will typically need more preparation time to build that foundation before taking the test. The exam measures technical knowledge rather than prior employment history.
How long does it take to get a job after passing Exam 955?
This varies enormously by location and depends on local hiring needs, register competition and position availability. Some candidates in areas with active hiring are contacted within weeks of being placed on the register. Others in competitive urban areas or locations with limited openings may wait many months. There is no guaranteed timeline — which reinforces why scoring as highly as possible gives you the best chance of being contacted sooner.
Is Exam 955 the same as Exam 932 or Exam 933?
No. The USPS uses different exam numbers for different role categories. Exam 932 and 933 were used for different maintenance positions in the past and some of these exam numbers have been updated or replaced over time. Always confirm which specific exam applies to the role you have applied for through the USPS eCareer system and ensure your preparation materials match that specific exam.
Final Thoughts
USPS Exam 955 is a genuinely challenging technical assessment but it is one where thorough preparation makes a directly measurable difference to your score. Unlike some employment tests where preparation offers marginal gains Exam 955 tests specific knowledge that can be studied, understood and applied — which means every hour of preparation you invest has the potential to translate into a higher score and a stronger register position.
The candidates who perform best on Exam 955 are not necessarily those with the most years of maintenance experience. They are the ones who understood exactly what the exam covers, studied each subject area systematically and walked in knowing they had prepared as thoroughly as possible. That is entirely achievable with the right resources and enough time.
A USPS maintenance career offers genuine long term stability, strong federal benefits and meaningful work keeping one of the most important logistics organisations in the country running. If that is the career you are working toward give yourself the best possible start by taking your exam preparation seriously.
Looking for preparation resources for other employment assessments? Read our full guide: JobTestPrep Review 2025 — Every Major Employment Assessment Covered
Ready to Prepare for USPS Exam 955?
Your score on Exam 955 determines where you sit on the hiring register. The higher you score the sooner you get the call. Prepare specifically for what the exam tests.
Visit JobTestPrep, click Browse Tests at the top of the page and select USPS Exam 955 from the Best Sellers or Civil Service menu to see what is included and the current pricing.
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