Welcome to Optimum Mobile Support

About Us

• Does Optimum Mobile offer international service?
• Does Optimum Mobile work in my area?

Service Setup

• Getting Started Checklist
• Is there anything I need to do before activating my phone?
• I already have a SIM card from my previous carrier. What should I do with the new SIM I just received?
• How do I access my voicemail?
• How long will it take to get my phone up and running?
• Temporary Phone Number

Number Transfer (Porting)

• How do I bring (port) my phone number to Optimum Mobile?
• How do I transfer my AT&T phone number to Optimum Mobile?
• How do I resubmit a phone number transfer request?
• Do I cancel my current service before or after transferring my number to Optimum Mobile?
• How do I transfer my Verizon phone number to Optimum Mobile?
• How do I transfer my number (port out) to a new carrier?

Bring Your Own Phone

• Can I bring my own phone?
• What phones can I bring to Optimum Mobile?
• What is an unlocked phone?
• How do I unlock my device for use with Optimum Mobile?
• How do I unlock my Optimum Mobile device?

Ordering & Shipping

• How do I activate my SIM card?
• How long will it take to get my SIM card?
• I have questions about my credit check
• What should I do if my SIM is damaged or never arrives?
• What is your return policy?
• How do I return a new phone?

Billing

• What does it mean to be in “good standing”?
• Where can I find my Optimum or Suddenlink account number?
• How do I change the name on my account?
• Where will a Travel Pass appear on my bill?
• Where can I view my bill?
• When will I be billed?

See all 14 articles

Manage

• Can I transfer my Optimum Mobile account to another person?
• How do I close a deceased relative's account?
• How do I change the name or ownership on my Business account?
• Can I pay off my financed device(s) early?
• How do I check the remaining balance of my financed device(s)?
• Where can I find my account number?

See all 18 articles

Payments

• What is AutoPay?
• How do I change my AutoPay payment method?
• What are the options for paying my bill?
• How will I know my payment was successful?
• How do I make a one-time payment?
• How do I add or delete a stored debit or credit card?

See all 7 articles

Upgrade

• Thinking of upgrading your phone?
• Phone Upgrade (Replacing a phone)

Coverage

• What is 5G?
• How do I make sure that my phone is connected to WiFi?

Apple

• How to enable Data Roaming on an Apple phone?
• How do I use voice assistant apps on my iPhone?
• How do I manage Wi-Fi settings on iPhone?
• How do I use a SIM PIN on my iPhone?
• How do I enable Wi-Fi Calling on my iPhone?
• How do I transfer my data/contacts to a new iPhone?

See all 14 articles

Motorola

• How do I manage voicemail on my Motorola device?

Samsung

• How do I manage voicemail on my Samsung device?
• How do I check for a software update on my Samsung phone?
• Samsung Galaxy ZFlip3 5G Pre-order and Samsung Credit Offer

Android

• How do I enable Data Roaming on an Android phone?
• How do I setup a mobile hotspot on my Android phone?
• How do I manage voicemail on my Android phone?

General

• No Service or Signal Issues
• Internet and Data Issues
• Poor Audio on Phone Calls
• Why am I getting a “SIM is locked” message on my phone?
• What is the difference between a standard SIM vs. a micro SIM vs. a nano SIM vs. eSIM

Lost/Stolen

• I lost my phone or my phone was stolen. What do I do now?
• I found my lost phone. What should I do now?

Data

• What is a Data Top Up?
• How do I change my monthly data options?
• How can I reduce my data usage?
• How do I know how much data will I need?
• How do I add a Data Top Up?
• How can I check my usage?

See all 9 articles

International

• Do you have any tips for managing my data usage abroad?
• How do I order a Travel Pass?
• Can I use Optimum Mobile while traveling abroad?
• Can I make calls and send texts internationally?
• How do I access my voicemail while traveling internationally?
• How do I remove an international add-on?

Wi-Fi Calling

• What is Wi-Fi Calling and why should I use it?
• How do you improve connectivity?

E911

• How do I update my E-911 registered address?
• What is my E-911 registered address?
• What can I expect when I contact 911?

Mobile Hotspot

• Can my phone be used as a mobile hotspot?
• I'd like to use my device as a mobile hotspot, what are the data limits?
• Is there a cost for using my device as a mobile hotspot?

General

• Mandatory 10-Digit Dialing & FCC 988 Crisis Line Impacts
• 3-months Free Promotion
• Self-Service Short Codes (* Star Codes)
• How do I call Directory Assistance (411)?
• How do I block my Caller ID when placing a call?
• How do I use Call Waiting?

See all 11 articles

Important Information

• What is the difference between the previous international grouping and the new groups?
• As an existing Price for Life customer, will my plan change due to these new flexible plan options?
• As an existing Unlimited Everything customer, what happens to my international calling and roaming with these new flexible plan options?
• Will my existing Unlimited Everything plan change due to these new flexible data options?

At Your Service

• Contacting Optimum Mobile