Biller name
Xfinity Mobile
HQ: Philadelphia, PA
Legal name
Xfinity Mobile (brand of Comcast Corporation)
Website
Also known as
Comcast · Xfinity
Deferit is unaffiliated with Xfinity Mobile
Pay your Xfinity Mobile bill with Deferit
Earn 2% cashback on every bill you pay with Deferit.
Financing Option
Deferit can pay your bill now, then you pay it back later.
How to pay Payment methods Support Late fees FAQ Split into installments
Xfinity Mobile Account & Billing Support
| Department | Number / Channel | Hours |
|---|---|---|
| Xfinity general support Main | 1-800-266-2278 | 24/7 |
| Online chat (Xfinity Assistant) | xfinity.com/support/contact-us | 24/7 |
| Xfinity Stores | xfinity.com/support/contact-us |
Retrieved June 2026 · Source: xfinity.com/support/contact-us ·xfinity.com/corporate/customers/policies/autopayagreement · current departmental phone numbers and hours of operation.
Xfinity Mobile Bill Types
About Xfinity Mobile
Xfinity Mobile is a wireless service brand of Comcast Corporation. It operates as an MVNO and requires an active Xfinity Internet subscription. Billing is managed separately from other Xfinity services.
Xfinity Mobile bills commonly include monthly wireless plan charges, device installment payments, taxes, fees, and any one-time charges. AutoPay is mandatory for all Xfinity Mobile accounts. Deferit is unaffiliated with Xfinity Mobile.
How to Pay Your Xfinity Mobile Bill
- Online: xfinity.com/mobile · Billing tab · sign in with primary Xfinity ID.
- Quick Pay: Pay without logging in · Xfinity Mobile phone number + service address ZIP + card.
- Xfinity App: Make one-time payments and manage AutoPay method.
- In-person: Xfinity Stores · find locations at xfinity.com/support/contact-us.
- With Deferit: Pay with Deferit and split the bill into 4 installments, once every two weeks. Deferit pays Xfinity Mobile in full immediately. Learn more →
Payment Methods & Addresses
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill ·xfinity.com/support/articles/setting-up-auto-payments ·xfinity.com/support/contact-us .
Late Fees & Payment Policies
| Policy / Fee | Amount | Notes |
|---|---|---|
| Late fee | Not publicly stated | Appears as a One Time Charge on the next billing statement when a payment is missed |
| Reactivation charge | Not publicly stated | May apply in addition to late fees if service is interrupted for non-payment |
| Returned payment | Not publicly stated | Returned item charges and financial institution fees may apply if AutoPay fails |
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill ·xfinity.com/corporate/customers/policies/autopayagreement ·xfinity.com/support/articles/late-payments
Need to split your Xfinity Mobile bill into installments?
For eligible past-due accounts, Xfinity Mobile offers a repayment plan that splits the overdue balance into monthly installments. Eligible customers may also request an automatic payment deferral to shift the next AutoPay charge by one month. To request either option, chat with an Xfinity Mobile specialist.
If the goal is to pay the bill in full now and split the cost into smaller repayments, Deferit can pay an eligible Xfinity Mobile bill on your behalf and let you repay it in 4 smaller installments.
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill .
| Xfinity Mobile Repayment Plan |  Deferit | |
|---|---|---|
| How to access | Chat with an Xfinity Mobile specialist to request a repayment plan or a one-month payment deferral. Available for eligible past-due accounts only. | Sign up, take a picture of your bill, and Deferit pays it on your behalf. Online or in app. |
| Maximum split | A repayment plan splits a past-due balance into monthly installments. A payment deferral shifts the next AutoPay charge by one month. No native pre-due installment option is available. | 4 installments, once every two weeks, up to your Deferit balance |
| Eligibility & approval | Decided by Xfinity Mobile at request time based on account status | Monthly Deferit membership, no lock-ins. Cancel anytime. |
| Fees & interest | Late fees apply when AutoPay fails or a payment is missed. The fee appears as a One Time Charge on the next billing statement. The dollar amount is not publicly stated by Xfinity Mobile. | Monthly Deferit membership plus a $0.99 processing fee per bill. No interest. No late fees on eligible Deferit memberships.* |
| If you miss a payment | Late fee added. Service may be interrupted until the past-due balance is paid. A reactivation charge may also apply. | You can reschedule a repayment date in the app before it's due. Late fees may apply depending on your Deferit membership.* |
| Works for | Xfinity Mobile bills only | Xfinity Mobile and most other US household bills |
| Learn more → |
*No late fees feature included with Max and Ultra memberships. Installments on the Lite membership may incur late fees if overdue. See Membership terms for details.
Pay your Xfinity Mobile bill with Deferit
Earn 2% cashback on every bill, redeemed off your next payment. No subscription fee.
Common Questions About Xfinity Mobile
Does Xfinity Mobile charge a late fee? ›
Yes. Xfinity Mobile charges a late fee when a payment is missed. The fee appears as a One Time Charge on your next billing statement. Xfinity Mobile does not publicly state the dollar amount of the late fee. If you are enrolled in a repayment plan for a past-due balance and successfully make all monthly installments, you are charged only one late fee per past-due invoice.
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill
Can I split my Xfinity Mobile bill into installments? ›
Xfinity Mobile does not offer a native pre-due installment option. AutoPay is mandatory and charges the full bill automatically 20 days after your billing cycle closes. If your account is past due, you may be able to request a repayment plan or a one-month payment deferral by chatting with an Xfinity Mobile specialist. For a pre-due 4-installment split, Deferit can pay your Xfinity Mobile bill in full and let you repay across 4 bi-weekly installments, subject to eligibility.
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill ·xfinity.com/support/articles/setting-up-auto-payments
How do I pay my Xfinity Mobile bill online? ›
Sign in to xfinity.com/mobile with your primary Xfinity ID and go to the Billing tab to make a one-time payment. You can use a credit or debit card. If you want to pay without logging in, use Quick Pay: enter your Xfinity Mobile phone number and service address ZIP code with any credit or debit card. You can also pay through the Xfinity app.
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill
What happens if my Xfinity Mobile AutoPay fails? ›
If an AutoPay charge fails, a late fee appears as a One Time Charge on your next billing statement. You may also be subject to returned item charges from your financial institution. If the past-due balance is not resolved, your service may be interrupted. You can resolve the balance by making a one-time payment through xfinity.com/mobile, the Xfinity app, or Quick Pay, or by contacting Xfinity at 1-800-266-2278.
Retrieved June 2026 · Source: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill ·xfinity.com/corporate/customers/policies/autopayagreement
How do I contact Xfinity Mobile support? ›
You can reach Xfinity support by calling 1-800-266-2278. The 24/7 Xfinity Assistant chat is available at xfinity.com/support/contact-us. You can also visit an Xfinity Store in person; find locations at xfinity.com/support/contact-us. To reach support by text, text the word "Xfinity app" to 266278.
Retrieved June 2026 · Source: xfinity.com/support/contact-us ·xfinity.com/corporate/customers/policies/autopayagreement
Is AutoPay required for Xfinity Mobile? ›
Yes. AutoPay is mandatory for all Xfinity Mobile accounts. You cannot turn AutoPay off, but you can change the payment card or account on file at any time. AutoPay charges the full bill 20 days after your billing cycle closes.
Retrieved June 2026 · Source: xfinity.com/support/articles/setting-up-auto-payments ·xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill
Customer Service Tips for Xfinity Mobile Customers
Have these ready before you call. Xfinity account username, billing address and ZIP code, Xfinity Mobile phone number, last bill amount, and the card on file for AutoPay. Contact Xfinity at 1-800-266-2278 or use the 24/7 chat at xfinity.com/support/contact-us.
How to read your Xfinity Mobile bill. Your Xfinity Mobile bill shows monthly plan charges, device installment amounts, taxes, fees, and any One Time Charges. AutoPay is charged automatically 20 days after your billing cycle closes. If a payment fails, a late fee appears as a One Time Charge on the following statement.
How to lower your bill. Review your Xfinity Mobile plan through the Xfinity app or xfinity.com/mobile to check for unused features or lines. AutoPay is mandatory for all Xfinity Mobile accounts. If timing cash flow is the challenge rather than reducing the recurring plan cost, Deferit's Pay-in-4 option can split your bill into 4 installments, subject to eligibility.
Retrieved June 2026 · Sources: xfinity.com/support/articles/how-to-pay-xfinity-mobile-bill ·xfinity.com/support/contact-us .
Updated: June 2026