Texts from friend but with number instead of name

I have regular text contact with my friend Christine but sometimes her texts arrive from a 5 figure number instead of her name.
If I reply to that number it appears that she does not recieve it.
She has no idea how this happens so does anybody have any idea what is happening and how she can avoid these rogue texts?

I copied your post into ChatGPT and here is its rather long answer!

“What you are seeing is almost certainly SMS short-code or routing behaviour, not a second phone number and not anything Christine is doing deliberately.

What is happening

  • A 5-digit number is a short code. These are normally used by:

    • businesses,

    • messaging gateways,

    • carrier services,

    • or apps that send SMS via the internet rather than directly from a handset.

  • Occasionally, a message sent from a phone (or from an app on a phone) is rerouted through a carrier gateway. When that happens, the recipient sees the gateway’s short code instead of the sender’s saved contact name.

  • When you reply to that short code, your reply goes back to the gateway, not to Christine’s phone. Since the gateway is usually one-way, she never receives your reply.

Why it happens intermittently

Common triggers include:

  • Christine sending messages while on Wi-Fi calling

  • Poor mobile signal causing the carrier to fallback to an SMS gateway

  • Use of RCS, iMessage fallback, or a third-party messaging app

  • Temporary carrier routing issues (quite common)

Because it depends on network conditions, it appears random.

How to avoid it (practical steps)

Christine can reduce the problem by:

  1. Turning off Wi-Fi calling (temporarily, to test)

  2. Ensuring messages are sent as standard SMS, not via:

    • RCS

    • third-party messaging apps

  3. Updating the phone’s carrier settings and OS

  4. Restarting the phone after network changes

  5. If it continues, contacting her mobile carrier, as this is a routing issue on their side

What you should do

  • Do not reply to the 5-digit number.

  • Wait until she texts from her normal number, or contact her separately.

What it is not

  • Not hacking

  • Not spoofing

  • Not a second phone

  • Not user error

It is a known carrier-level SMS routing quirk.”

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Wow, thanks for that, I am sure that in the past she has insisted that she has never done anything different when texting me, and I have already decided not to reply to such messages in future but rather send my replies to her named number in my contact list.

It came to light on Monday when she had to cut me short in a phone conversation as she was being shipped back to hospital. We were in contact long enough for her to know that I had had another fall but no further details. So she texted again yesterday asking for more and I replied with details but today asked yet again, having not recieved anything. I wonder if being in hospital, rather than the care home, had anything to do with it. :thinking: Anyway, it won’t be happening again. :wink:

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Quite often, peeps use WhatsApp and this can happen. Instead of pushing Reply, just send a brand new message with your answer :hugs:

May I ask, how do you know it’s Christine when a 5 digit number appears?
Is it just because you are expecting a reply and you look at the text?

I can’t remember the first time and after that I remembered the number, but I do open any texts which arrive, only ignore unrecognised phone calls.

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I hope you are both recovering

Slowly, on both counts. :grinning_face: