Blocked callers still coming through

I have multiple blocked callers who can still text. I’ve checked all I know to check in settings but the problem persists. Please offer recommendations of what I should do to truly block certain contacts.

iPhone X, iOS 15

Posted on Mar 7, 2025 11:39 AM

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Question marked as Top-ranking reply

Posted on Mar 7, 2025 11:40 PM

Probably the number you are trying to block is a one-way SMS. You may receive but cannot reply so you can't block.


Do they look like this; BZ-656505, BZ-656700, BZ-624365, TX-BLWHRN etc. Thye can't be blocked. Please contact your Carrier.


Blocking is always two-ways


Types of SMS services known to me.

One-way SMS: A business may have something to say, so they may send a single text message blast to get the word out. For example; Promotional SMS, Notices, Verification Codes, Bank OTPs, Transaction Confirmation, offers, Coupon, Discounts, Flash SMS, Reminders etc

Two-way SMS: This is what most of us use.

SMS Chatbots: The chatbot will allow an organisation's clients to start or stop a service or interact with FAQs.



1 reply
Question marked as Top-ranking reply

Mar 7, 2025 11:40 PM in response to Lisboojim

Probably the number you are trying to block is a one-way SMS. You may receive but cannot reply so you can't block.


Do they look like this; BZ-656505, BZ-656700, BZ-624365, TX-BLWHRN etc. Thye can't be blocked. Please contact your Carrier.


Blocking is always two-ways


Types of SMS services known to me.

One-way SMS: A business may have something to say, so they may send a single text message blast to get the word out. For example; Promotional SMS, Notices, Verification Codes, Bank OTPs, Transaction Confirmation, offers, Coupon, Discounts, Flash SMS, Reminders etc

Two-way SMS: This is what most of us use.

SMS Chatbots: The chatbot will allow an organisation's clients to start or stop a service or interact with FAQs.



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Blocked callers still coming through

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