The complete checklist for changing your phone number

Changing your number is easy. Remembering everywhere it's stored is the hard part. This is a thorough, organized list of who to notify and what to update — worked in the right order so nothing important slips through.

Last reviewed: July 2026

A new number touches more of your life than you'd guess. It's stored in banks, doctors' offices, delivery apps, loyalty programs, your kid's school records, and dozens of logins you've forgotten about. Miss one and the consequences range from mildly annoying (no appointment reminders) to genuinely serious (locked out of an account, or a stranger receiving your security codes). Work through this checklist in order, ideally while your old number still works, so you can catch verification texts as you make changes.

Golden rule: update security and money first, while the old line is still live, because those are the changes most likely to lock you out if the number goes dead mid-process. Save the low-stakes stuff for last.

1. Security and money (do these first)

These are the highest-stakes entries because your number is often a login and account-recovery key. Give this section a dedicated pass; it's worth its own walkthrough in unlinking 2FA from a number you're giving up.

Primary email accounts — the recovery point for everything else; update the phone number in security settings first.
Banks, credit unions, and credit cards — both for fraud alerts and for login/2FA.
Brokerages, retirement, and investment apps.
Payment and transfer apps (PayPal, Venmo, Cash App, and similar).
Your password manager and any authenticator setup — and while you're here, consider moving off SMS codes to an authenticator app where possible.
Tax, government, and benefits portals that text codes or alerts.

2. Communication and identity

Key contacts — family, close friends, and anyone who'd need to reach you in an emergency. A single group message is efficient.
Messaging apps — iMessage/FaceTime, WhatsApp, Signal, Telegram. These tie tightly to your number; see deregistering iMessage and freeing your number from messaging apps so texts don't vanish.
Social media accounts — update the number and check it isn't the only recovery method.
Your voicemail greeting if you're keeping the phone but changing the number.
Your email signature and any personal website or resume where the number is printed.

3. Health and care

Primary doctor, dentist, and specialists — for appointment reminders and results.
Pharmacy — prescription-ready texts and refill notifications.
Health insurance and any patient portal.
Emergency contacts you're listed on — make sure the people who list you have the new number, too.
Care coordination for dependents — elderly parents' providers, caregivers, or anyone who reaches you about someone else.

4. Home, utilities, and deliveries

Electricity, gas, water, internet, and trash — outage alerts and service scheduling.
Landlord, property manager, or mortgage servicer.
Home and auto insurance.
Delivery and courier services — the number couriers text for drop-offs and gate codes.
Alarm and home-security monitoring, which may call the number to verify alerts.

5. Work and school

Employer HR and payroll — and any work multi-factor login tied to your number.
Work chat and single sign-on tools that text codes.
Professional licensing boards or clients if you're self-employed.
Your kids' schools and daycare — emergency contact lists, pickup authorizations, and closure/alert notifications. This one is easy to forget and important to get right.
Coaches, tutors, and activity groups that use a text list or app.

6. Everyday apps and accounts

Rideshare and food delivery (Uber, Lyft, DoorDash, and the like) — drivers contact you at the number on file.
Airline, hotel, and travel loyalty programs, plus any trip-alert texts.
Retail and grocery loyalty accounts that look you up by phone number at checkout.
Streaming, cloud storage, and other subscriptions.
Package and shipping accounts for tracking texts.
Parking, tolls, and transit apps.

How to find the accounts you've forgotten

No one remembers every login. Two shortcuts make the list nearly complete:

Open your password manager. The list of saved sites is your checklist. Go down it and update the number anywhere it's stored.
Search your email inbox for terms like "verification code," "security alert," "welcome," and "appointment." Those messages map out where you have accounts and who texts you.

Keep the old line alive a little longer if you can. A short overlap — even a week or two — lets stray verification codes and reminders arrive while you finish updating, instead of forcing you to rush every change before you cancel.

Before you let the old number go

Once you've worked the list, decide the old number's fate deliberately rather than just letting it lapse. If it has value, you can port or park it — including porting it into Google Voice to keep it cheaply. If you're letting it go, remember it will eventually be reassigned to someone else, which is the whole reason finishing this checklist first matters — it spares both you and the next owner a long tail of misdirected calls and codes.

This page is general consumer guidance, not advice specific to your accounts. The exact settings, menus, and requirements differ by provider and change over time. Confirm each change in the relevant account's official settings, and contact providers directly for anything you're unsure about.