ONG Oklahoma offers three main ways to pay your electric bill: online through their website, by phone, or by mail
ONG (Oklahoma Natural Gas) handles gas service in Oklahoma, but if you receive an electric bill from a utility in Oklahoma, you'll pay through that utility's system — not ONG. However, if you're looking to pay an ONG gas bill, the process is straightforward and takes just a few minutes online.
The fastest method is paying online at ong.com. You can log into your account, view your current balance, and submit payment immediately using a bank account or debit card. If you prefer not to use the website, you can call ONG's payment line at 1-800-664-6453 to pay by phone with a representative. For those who want to mail a check, ONG provides a mailing address on your bill itself.
Key Takeaways
- You can pay your ONG bill online at ong.com without creating an account, using just your account number and ZIP code.
- Phone payments through 1-800-664-6453 take a few minutes and work with bank accounts or debit cards.
- Mailed checks should be sent to the address printed on your bill, and ONG recommends mailing at least 10 days before your due date.
- Setting up automatic payments through your bank account can prevent late fees and takes the guesswork out of payment timing.
Paying online without logging in
You don't need to create an ONG account to pay online. Go to ong.com and look for the "Pay My Bill" button on the homepage. Enter your account number (found on your bill), your ZIP code, and the amount you want to pay. The system will show your current balance and due date.
ONG accepts payment from a checking or savings account at no extra charge. If you use a debit or credit card, a small convenience fee applies — the exact amount appears before you confirm payment. The payment posts to your account within one business day if you pay before 5 p.m. central time on a business day.
Setting up automatic payments from your bank account
The most reliable way to avoid late fees is to set up automatic payments. You can do this through ONG's website by logging into your account and selecting the autopay option, or you can set it up through your own bank's bill pay system.
If you use your bank's bill pay, write ONG's mailing address (found on your bill) as the payee and your account number in the memo line. Your bank will mail the check automatically on the date you choose each month. This method is free and gives you full control over the payment amount and timing.
Paying by phone
Call ONG's automated payment line at 1-800-664-6453 to pay by phone 24 hours a day, 7 days a week. Have your account number and a bank account or debit card ready. The system will confirm your balance and let you choose the amount to pay before processing.
If you prefer to speak with a representative, you can also call during business hours and ask to make a payment. A representative can answer questions about your bill or account while processing your payment, though this may take longer than the automated system.
Mailing a check or money order
Write your account number on the check or money order and mail it to the address shown on your bill. ONG recommends sending payment at least 10 days before your due date to allow time for mail delivery and processing. If you're mailing close to the due date, consider using online or phone payment instead to avoid a late fee.
Keep a copy of your check or money order number for your records. If you need to confirm that ONG received your payment, you can check your account online or call customer service at 1-800-664-6453.
What to do if you can't pay your full bill
If you're facing a hardship and can't pay your full balance, contact ONG before your bill becomes overdue. ONG offers payment arrangements that let you spread the cost over several months. Call 1-800-664-6453 and ask about setting up a payment plan.
ONG also has a Customer Assistance Program for households that meet income limits. This program can help with past-due balances and may reduce your monthly bills. Ask about this program when you call, or visit ong.com to learn more about income thresholds and how to apply.
Avoiding late fees and service disconnection
Your due date appears on your bill, usually 20 to 25 days after the bill is issued. If payment doesn't arrive by that date, ONG charges a late fee. After 30 days past due, ONG may send a disconnection notice, and service can be shut off if payment isn't made within the timeframe stated in that notice.
The best protection is to pay online or set up automatic payments so you never miss a due date. If you do fall behind, paying as soon as possible and contacting ONG about a payment plan can stop disconnection. ONG cannot disconnect service during winter months (November through March) if you're a residential customer and have applied for assistance.
Frequently Asked Questions
Is there a fee to pay my ONG bill online?
Paying from a bank account is free. If you use a debit or credit card, ONG charges a convenience fee that you'll see before you confirm payment. The fee amount varies but is typically a small percentage of your payment.
How long does it take for my online payment to show up?
Payments made before 5 p.m. central time on a business day post within one business day. Payments made after 5 p.m. or on weekends post the next business day. You can check your account online to confirm the payment went through.
What if I don't have a bank account to pay online?
You can pay by phone using a debit card, or mail a check or money order. Some ONG payment locations also accept cash payments in person — call 1-800-664-6453 to find a location near you.
Can I pay someone else's ONG bill?
Yes. When you pay online or by phone, you only need the account number and ZIP code — you don't need to be the account holder. If you're mailing a check, write the account number clearly on the check so ONG applies it to the right account.
What happens if I pay too much?
ONG will credit the overpayment to your next bill. If you want a refund instead, contact ONG at 1-800-664-6453 and ask about their refund process.