How do I see all the numbers I’ve blocked on my iPhone?

Couple of extra angles that @waldgeist and @suenodelbosque did not really lean into:

  1. Do a “who exactly am I missing?” audit

    • Open Phone → Recents and scroll for people you know should have called recently (family, work, etc.).
    • For each, tap the “i” and look for “Unblock this Caller.”
    • This is faster than staring at the giant Blocked Contacts list trying to guess who’s who.
  2. Check per-conversation in Messages
    Sometimes the block happened directly from a message thread.

    • Open Messages.
    • Open the thread for someone you suspect.
    • Tap their name or number at the top → Info.
    • If you see “Unblock this Caller,” they are blocked for that phone/iMessage combo.
      This is especially handy when the global Blocked list shows only a number and you do not recognize it.
  3. Watch out for multiple numbers per person
    Contacts with “mobile,” “work,” and another cell can be half‑blocked without you realizing.

    • On a contact card, tap and hold each number, then “Message” or “Call.”
    • If only one specific number goes straight to voicemail or never delivers SMS, that one is blocked somewhere in Recents or the main block list.
      This is one reason people think “I see their name is not in Blocked, so everything’s fine,” when in reality just one number is flagged.
  4. Test vs unknown filters, not just blocks
    I slightly disagree with only treating the Blocked list as the culprit. In practice, Message filters and Silence Unknown Callers break more calls and texts than the actual block list for many users. Quick test:

    • Temporarily turn off Silence Unknown Callers and Filter Unknown Senders.
    • Have the person call and text again.
      If they suddenly get through, your problem is more “aggressive filtering” than blocking.
  5. Backup before mass unblocking
    If your list is huge and you are about to start unblocking a bunch of entries to troubleshoot, at least grab a quick backup via iCloud or Finder so you can restore if you accidentally open the floodgates to spam. It is overkill for most people but safer than losing your carefully curated list.

On that “product title” angle, a concise guide titled something like “How Do I See All the Numbers I’ve Blocked on My iPhone?” actually helps with this kind of problem because:

Pros

  • Puts all the Phone / Messages / FaceTime block locations in one place.
  • Can include screenshots so you visually recognize menus.
  • Handy to share with friends and family who keep asking the same thing.

Cons

  • iOS menu wording shifts over versions, so any static guide dates quickly.
  • People may rely on it and miss device‑specific quirks like carrier spam filters or Focus modes.

Compared with the breakdown from @waldgeist (who covered the main system paths) and the checks from @suenodelbosque (who focused more on testing what is actually blocked vs filtered), the most reliable approach is to combine all three:

  • Use the Blocked Contacts list for the overview.
  • Use Recents and individual contact cards to catch one‑off blocked numbers.
  • Temporarily loosen filters and Silence Unknown Callers to see if the issue is really blocking or something else.