How to Conduct a Phone Screen Interview at a Small Business

Phone screens are the most underused step in small business hiring. Most founders skip them entirely: they read resumes, pick the ones that look good, and jump straight to 45-minute interviews. If another founder asked me which hiring step to add first, I would point to this one, because it is the cheapest fix I know for wasted interviews.

Skipping the screen means 8-10 interviews per role, many of them with candidates who have deal-breaking salary expectations, cannot start for two months, or are not authorized to work in the US. A 15-minute phone call would catch all of that.

A phone screen is not a mini interview. It is a filter. You are checking 4-5 deal-breakers: relevant experience, salary alignment, availability, work authorization, and basic communication skills. Anyone who clears these filters earns a full interview. Anyone who does not gets a polite rejection email, which saves you both an hour.

This guide covers how to conduct phone screens at a small business: a ready-to-use 8-question script, a simple scorecard, the questions you legally cannot ask, and the step after the offer that most guides skip entirely. I built FirstHR to handle that last part, because the hiring process does not end at the offer letter.

What Is a Phone Screen Interview?

A phone screen interview is a short, structured call (15-20 minutes) between a hiring manager and a job candidate. Its purpose is narrow: determine whether this candidate should get a full interview. The phone screen checks deal-breakers that resumes cannot reveal: salary expectations, start date availability, work authorization, genuine interest in the role, and basic communication skills.

Phone screens save time by front-loading the questions that most commonly disqualify candidates. Without screening, these disqualifications surface 30 minutes into a full interview, after you have already invested preparation time, blocked your calendar, and potentially arranged for other team members to participate.

Screening Call, Phone Screen, Prescreen: The Same Call

A screening call is a phone screen. The terms get used interchangeably, and a candidate who says they have a screening call booked means the call described above. Prescreen, initial screen, and first-round call all point at the same fifteen minutes.

One difference in usage is worth knowing, because it changes how long the call runs. At companies with recruiters, the screening call is the recruiter's first conversation and runs nearer 20 or 30 minutes, since the recruiter is also selling the role and gathering detail the hiring manager will use later.

At a small business, you are both the recruiter and the hiring manager, which is why 15 minutes is enough. Nobody has to be briefed afterward.

When you send the invitation, call it a screening call rather than a phone screen. It reads to the candidate as a conversation, not a test, and it signals the call is short without you having to explain the stage.

Phone Screen vs Phone Interview: Know the Difference

A phone screen and a phone interview are different calls with different purposes, even though many people use the two names loosely. Confusing them leads to phone screens that run 45 minutes (too long) or interviews that only check logistics (too shallow).

At a small business, the same person typically conducts both calls. The distinction still matters because it changes your approach. In a phone screen, you are in filtering mode: check the boxes, move on. In a phone interview, you are in evaluation mode: dig deep, compare carefully.

Before the Call: 10-Minute Prep

A phone screen needs less preparation than a full interview, but it still needs some. Ten minutes of prep before each call is enough to make sure you ask relevant questions and catch details that would otherwise slip by.

The 8-Question Phone Screen Script

These 8 questions cover the essential information you need from a phone screen. Ask them in this order to every candidate. The first two build rapport and check motivation. Questions 3-6 verify deal-breakers. Questions 7-8 assess communication and interest.

Total time: 12-15 minutes of candidate talk time, follow-up questions included, plus your 2-minute opening overview. If a candidate's answer to Question 3 reveals a salary expectation 40% above your budget, you can politely end the call early. There is no reason to ask 5 more questions when the fundamental economic mismatch makes the hire impossible.

What worked for me

Question 7 (the challenge question) consistently gave me the most useful signal. Candidates who answered with a specific situation, a specific action, and a measurable outcome were almost always strong performers. Candidates who said "I just figure things out" or "I work well under pressure" without examples were almost always the ones who struggled later. One question, more predictive than the other seven combined.

Nick Anisimov, FirstHR founder

For phone screens, 8 questions are enough. More than 10 turns the screen into an interview.

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Asking About Pay Without Breaking a State Law

Question 3 is the one that gets small employers into trouble, because two different waves of state law now govern it. The first wave bans asking what a candidate currently or previously earned. The second requires you to disclose your own range. They point in opposite directions, and both can apply to the same fifteen-minute call.

Start with the distinction that matters: salary history and salary expectations are not the same question. "What do you make now?" and "What did you earn at your last job?" are prohibited for private employers in well over a dozen states, including California, Colorado, Connecticut, Delaware, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New York, Oregon, Rhode Island, Virginia, and Washington, plus the District of Columbia and a number of cities.

"What are your salary expectations for this role?" is generally still lawful, which is why the script uses that wording. If a candidate volunteers their current pay unasked, some states let you consider it, but never as the reason to pay them less than someone else doing the same work.

California is the clearest example of how the two rules travel together: a single section of its Labor Code bans the history question and also sets the disclosure duty (California Labor Code 432.3).

The disclosure side is where small employers get caught, because the rules and their headcount triggers vary from state to state. Fourteen states and the District of Columbia now require a pay range in the job posting itself, and Nevada and Rhode Island require one after an interview or on request.

In practice, the disclosure rules make the call simpler. Lead with your number instead of fishing for theirs: "The range for this role is $52,000 to $58,000 depending on experience. Does that work for what you are looking for?"

A range given on the call meets the on-request disclosure rules in states such as California and Rhode Island, though posting states still want it in the ad itself. Leading with your range also avoids the history question entirely and gets you a cleaner answer than asking a candidate to guess first.

If the candidate says the range does not work, you have saved both of you an interview in about ten seconds. If they name a number 30% above the top of the range, ask once whether there is flexibility, and if not, close the call politely.

Scoring Candidates: A Simple System That Works

After 5-6 phone screens, candidates blur together. A scorecard prevents this by converting subjective impressions into comparable data.

Score each of the 8 questions during the call (not after). Calculate the total. Candidates scoring 28+ out of 40 move to full interviews. Candidates scoring below 20 are rejected. Anything in between requires judgment: review your notes, compare to other candidates, and decide based on the overall pattern.

The scorecard does not replace judgment. It structures it. When you have 6 candidates and need to pick 3 for interviews, a scorecard gives you an objective starting point instead of "I liked how she sounded on the phone."

Scores only become a shortlist when they sit side by side, so keep one file per open role. Fill the scores in during each call, add the outcome and the date you told the candidate within 48 hours, and note the work state while it is still fresh. The log sheet doubles as your consistency record: same questions, same scale, every candidate, with dates attached.

Red Flags and Green Flags During a Phone Screen

Red flags on a phone screen are signs that the resume oversells the candidate or that the fit will not work: vague accounts of past roles, complaints about every former employer, details that contradict the resume, and a salary expectation far above your range. Green flags point the other way: specific results, real research into your company, and informed questions.

Questions You Cannot Ask During a Phone Screen

The same Equal Employment Opportunity Commission (EEOC) rules that apply to full interviews apply to phone screens. Illegal questions asked casually on a phone call carry the same legal risk as illegal questions asked in a conference room.

Each question below runs into one of three federal laws: Title VII of the Civil Rights Act, the Americans with Disabilities Act (ADA), or the Age Discrimination in Employment Act (ADEA).

The pattern: focus on job requirements, not personal identity. You can ask about ability to perform the role. You cannot ask about the person behind the candidate.

"We're Too Small for the EEOC" Is Usually Wrong

Federal coverage thresholds are real. Title VII and the ADA apply at 15 or more employees, and the ADEA applies at 20 or more (EEOC). Below those counts, a small employer often sits outside federal jurisdiction. That is where the reasoning usually stops, and it should not.

Most states run their own fair employment statute with a far lower threshold, and several, including New York, Colorado, and Michigan, reach employers with a single employee. California's Fair Employment and Housing Act covers employers with five or more for discrimination (California Gov. Code 12926) and every employer, at any size, for harassment (Gov. Code 12940).

The practical effect reaches the smallest employers. A nine-person business asking a candidate about her childcare arrangements is exposed in most of the country, just to a state agency rather than the EEOC. Screen as though you are covered, because you probably are.

The Work Authorization Question, Asked Correctly

Question 5 has a wording the Justice Department has identified as appropriate, and several neighboring questions that are prohibited. Ask: "Are you legally authorized to work in the United States?"

If sponsorship matters to you, add: "Will you now or in the future require sponsorship for employment visa status (e.g., H-1B visa status)?" Ask both of every candidate for the role, not selectively based on a name or an accent.

Everything adjacent to those two questions is off limits. Do not ask whether the candidate is a US citizen, what country they are from, what visa they hold, or when they arrived, and do not ask for or accept documents during the screen. Verification happens on Form I-9 after hire, and the employee chooses which acceptable documents to present.

Demanding a specific document, or more documents than the form requires, is itself a violation, and the Justice Department applies that rule to employers of any size. Beyond document demands, the anti-discrimination provision of the Immigration Reform and Control Act exempts only employers with three or fewer employees, so it bites from roughly the fourth hire (8 U.S.C. 1324b).

The Justice Department's Immigrant and Employee Rights Section enforces that provision and also handles national origin claims for employers too small for the EEOC to reach.

Ability to Do the Job, Not Health

Before an offer, you may not ask about disability, diagnoses, medications, prior workers' compensation claims, or how many sick days a candidate used last year. You may describe the essential functions of the role and ask whether the candidate can perform them with or without reasonable accommodation.

The line is easy to hear once you have it. "This role requires lifting up to 50 pounds repeatedly through an eight-hour shift. Can you do that with or without accommodation?" is fine; "do you have any back problems?" is not (EEOC).

Medical inquiries and exams become permissible only after a conditional offer, and whatever they turn up is kept on separate forms in a separate medical file (29 CFR 1630.14). If a candidate raises an accommodation need on their own during the screen, you can discuss it, but do not let it become the reason the call ends.

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Can You Record the Call?

Usually yes, as long as the candidate agrees to it first. Recording phone screens is tempting once you are running six of them for one role, and AI note-taking tools have made it a one-click decision. It is not a one-click legal question.

Federal wiretap law allows you to record a call you are on, or any call where one party has given prior consent (18 U.S.C. 2511), but roughly a dozen states require the consent of everyone on the line. Florida, Maryland, Massachusetts, and Washington are among them.

Because the person on the other end is frequently in another state, follow the strictest jurisdiction involved rather than your own.

Consent is easy to obtain and takes one sentence at the top of the call: "I record screening calls so I can take accurate notes. Is that alright with you?" Wait for an audible yes, and note in the scorecard that consent was given and when. If the candidate declines, take written notes instead and do not treat the refusal as a mark against them.

Two further wrinkles apply if the tool is doing more than transcribing. The Illinois Biometric Information Privacy Act lists a voiceprint as a biometric identifier, so software that builds a voice profile or scores vocal characteristics triggers written-consent and retention-policy obligations, with a private right of action attached, which means a candidate can sue you directly.

The Illinois Artificial Intelligence Video Interview Act covers the other case: using AI to analyze a recorded video interview. It requires advance notice, an explanation of how the system works, consent before the interview, and deletion of the video within 30 days of a candidate's request.

If your screening stack analyzes candidates rather than just capturing what they said, treat it as a regulated tool and check the rules in each state where your candidates are.

Edge Cases the Script Does Not Cover

The eight-question script handles the standard candidate. These are the situations where it does not fit, and what to do instead.

One question belongs in every screen for a remote or hybrid role and rarely appears in scripts: where will you actually be working from? The answer has cost consequences that arrive long before the first paycheck.

Hiring an employee in a state where you have no presence generally means registering there for income tax withholding and unemployment insurance. It can also pull you into the paid sick leave, final pay, notice, and pay transparency requirements of that state, along with any local ordinance where the employee lives.

None of that is a reason to reject someone. It is a reason to know at minute twelve rather than the week before the start date, because the registrations take time and the payroll setup is not instant. If the answer puts you in a new state, flag it to whoever runs your payroll before you extend the offer.

After the Call: Offer, Rejection, and the Onboarding Handoff

Phone screens produce three outcomes: advance, reject, or hold. Handle each within 48 hours. For a hold, that means telling the candidate when they will hear from you next, and keeping that date.

For Candidates Advancing to Interview

Send a scheduling email within 24 hours. Include the interview format (in-person, video, or phone), expected duration, who they will meet, and anything they should prepare. Speed matters: top candidates are interviewing elsewhere, and delays cost you the best people.

For Candidates Not Advancing

Send a brief, respectful rejection email within 48 hours. Template: "Thank you for taking the time to speak with me about the [role] position. After careful consideration, we have decided to move forward with other candidates whose experience more closely matches the current requirements. I wish you the best in your search." Do not ghost candidates. It damages your employer brand in ways you cannot see.

After the Hire: The Step Most Guides Skip

The phone screen is step 1 of a process that ends at Day 90, not at the signed offer. After the interview stage produces a hire, the onboarding handoff begins: welcome email, compliance forms (Form I-9 and W-4) on the first-day task list, Day 1 schedule, training assignments, and a 30-60-90 day plan.

I built FirstHR to handle that transition, because it is where the hiring investment is either protected or wasted.

What worked for me

The biggest improvement I made to our hiring process was not in the phone screen itself. It was in what happened after the hire. I started sending a structured welcome packet the same day the offer was signed: company overview, Day 1 agenda, parking instructions, and the tax and payroll forms for e-signature. The result was fewer "should I still show up?" anxieties from new hires and a noticeably smoother first week. The phone screen found the right person. The onboarding kept them.

Nick Anisimov, FirstHR founder

Common Phone Screen Mistakes

Six mistakes consistently undermine phone screening at small businesses. Most come from treating the phone screen as either too casual (no structure) or too intense (turning it into a full interview).

The common thread: phone screens fail when they lack structure (no questions, no scorecard, no timeline) or when they overreach (asking interview-depth questions in a 15-minute call). What works is a repeatable 15-minute call with the same questions, the same scorecard, and a clear next step for every candidate, so each round produces a shortlist of the same quality.

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