We’re here to help.

You can give us a call, email us, send us an SMS, chat with us, or stop by any of our stores.
Oh, or fill out the form below. However you reach out, we’re looking forward to helping you.


Mobi, Inc.
307 Kamani Street, Suite A
Honolulu, Hawaiʻi 96813

Please note: this is our main office, but we cannot accept payments, sell phones, or provide support at this location.

Please visit a Mobi store or partner for service.


808 723-1111 customer care
808 723-2000 switchboard
808 800-4515 SMS


Care is available by phone, chat, or SMS.
Monday through Friday, 7am to 12am HST
Saturday, 7am to 7pm HST
Sunday, 10am to 6pm HST

Pay your bill by mail

Mobi, Inc.
Post Office Box 4150
Honolulu, Hawaiʻi 96812-4150

You can also pay your bill in person at any Mobi store, authorized dealer, authorized retailer, or authorized payment center. Click here for the most up-to-date list of all Mobi locations.