Your mobile service provider is the only entity that can reassign your number to a new SIM card.
What to do:
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Call customer service india phone number list (from another phone) or visit a local store.
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Provide identification (government ID, answers to security questions, or your account PIN).
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Report your SIM as lost or stolen to prevent misuse.
Tip: Many carriers allow you to temporarily suspend the line to stop unauthorized use while you recover access.
2. Request a Replacement SIM Card
Ask your carrier for a canonical urls: why they are important & how to use them replacement SIM linked to your old phone number.
Options:
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In-store pickup: Fastest if you go in person.
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Mail delivery: Usually takes 1–3 days, depending on your location.
They will reactivate your number on the new SIM, restoring service.
3. eSIM Option (if supported)
If you have a phone that supports eSIM, ask if your carrier can issue your number digitally.
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Some providers let you activate your number instantly via a QR code or mobile app.
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Useful if you’re traveling and can’t get to a physical store.
4. Verify Your Identity (Security Step)
To prevent SIM swap fraud, most carriers will require:
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Account PIN or password
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Billing address
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Last call or text details
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IMEI of your previous device (optional but helpful)
If you’re on a family plan, the account owner must usually make the request.
5. Restore Your Contacts and Data
If you had contacts saved mobile lead on the SIM (less common now), those are gone unless you:
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Synced them to a Google/Apple account, or
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Backed them up to your device/cloud
Restore steps:
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Google Contacts: Login to your account and sync.
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iCloud Contacts: Reconnect your Apple ID and enable contact sync.