What to say instead of “whose number is this?”
Why it can fall flat
“whose number is this?”
Missing any greeting or reason for asking, the message can imply the other person should already know who you are. A clearer approach is to ask for their name and the purpose of their message in a way that doesn't make them feel quizzed.
Say this instead
- 01
Hi, I missed a call from this number. May I ask who's calling and what it's about? Happy to help once I know.
Client · SMS
Friendly after a missed call from an unknown number, since it asks for both a name and a reason.
- 02
Hello, your voicemail from 555-0142 included this email address, but I didn't catch your name. Could you tell me who you are and what it's about so I can help?
Client · Email
Quoting the number and the voicemail shows the client exactly why you're writing.
- 03
Hi, is this Pallavi? I don't have this number saved. If it's you, I'll add it to my contacts.
Boss · SMS
Naming your boss lets them confirm with a simple yes, and it comes across as respectful.
- 04
A number just appeared in our team group chat and I don't have it saved. Could whoever it belongs to say hi so I can add it?
Coworker · Chat
Invites a new number in a group chat to say hi without singling anyone out.
- 05
Hi, I missed a call from this number. If it's about a job, could you send your name and company? Then I can call you back.
Recruiter / HR · SMS
Asks a possible recruiter for the details you need before you call back.
- 06
Thanks for getting in touch. I can't tell which account this number belongs to. Could you share your name and what you need help with?
Customer · Chat
Suits support chats where the number isn't tied to a customer record, and it asks for what you need to help.
- 07
Hi, I got a missed call from 555-0163, a number I don't have saved. Was that you, maybe on a different phone? If so, I'll save it.
Someone you manage · Chat
Relaxed enough for someone you manage who may be on a new or personal phone, and easy for them to confirm.
Examples
Hello, Your voicemail from 555-0142 included this email address for replies, but I couldn't make out your name. Could you tell me who you are and what it's about? Once I know, I can point you to the right person. Kind regards, Freya
Hi all, I missed a call from 555-0178 and don't have it saved. If it's yours, could you let me know so I can add it to my contacts?
What to avoid
- Replying with only “who is this?” can feel abrupt, so add a greeting and say why you're asking.
- Guessing a name unless you're fairly sure is risky, because a wrong guess is awkward for both of you.
- Hold off on sharing account details or personal information until you know who you're talking to.
- Accusing wording like “why are you calling me?” puts the other person on the defensive.