Southwest Gas bill payment methods and where to send your money
Southwest Gas offers several ways to pay your bill: online through their website or mobile app, by phone, by mail, or in person at a payment center. The fastest and most convenient option is online or through the mobile app, where your payment posts within one business day. If you prefer to speak with someone, you can call their customer service line and pay over the phone with a debit card or bank account. Mailing a check takes 7 to 10 business days to reach their processing center, so plan ahead if you use this method.
Each payment method has different deadlines and processing times. Online and app payments typically process the same day if submitted before 5 p.m. Mountain Time on a business day. Phone payments also process same-day. Mail payments need to arrive by your due date to avoid a late fee, which means you should mail your check at least 10 days before the due date printed on your bill. In-person payments at a Southwest Gas office or authorized payment location post immediately.
Key Takeaways
- Online and mobile app payments are the fastest option and post within one business day, with no fees charged by Southwest Gas.
- Phone payments can be made 24/7 by calling Southwest Gas customer service and providing your account number and payment method.
- Mail payments must arrive by your due date to avoid late fees, so send your check at least 10 days in advance.
- In-person payments at a Southwest Gas office or authorized payment location post immediately and require no processing time.
- Late fees apply if payment is not received by the due date shown on your bill, regardless of which payment method you use.
Paying online or through the Southwest Gas mobile app
To pay online, log into your Southwest Gas account at their website using your account number and password. If you do not have an online account, you can create one by entering your account number and service address. Once logged in, select "Pay My Bill" and enter the amount you want to pay. You can pay the full balance, a partial amount, or set up a one-time payment for a future date.
The Southwest Gas mobile app offers the same payment options as the website. Download the app from your phone's app store, log in with your account credentials, and follow the same steps to pay. Payments submitted before 5 p.m. Mountain Time on a business day post the same day. Payments submitted after 5 p.m. or on weekends and holidays post the next business day. Southwest Gas does not charge a fee for online or app payments made directly from your bank account or debit card.
Paying by phone with a customer service representative
Call Southwest Gas customer service at 1-888-221-7494 to pay your bill over the phone. You will need your account number and a debit card or bank account information ready. A representative can process your payment immediately and provide you with a confirmation number. Phone payments are available 24 hours a day, 7 days a week.
When you call, have your bill in front of you so you can confirm the amount due and your service address. The representative will ask whether you want to pay the full balance or a partial amount. If you want to set up automatic payments or discuss your account, the representative can help with that as well. There is no fee charged by Southwest Gas for phone payments.
Paying by mail or in person
To pay by mail, write a check or money order for the amount due and include your account number on the check. Mail your payment to the address printed on your bill under "Where to Send Your Payment." Do not mail cash. Your payment must arrive by the due date to avoid a late fee, so mail your check at least 10 days before the due date. If you are close to your due date, use online, phone, or in-person payment instead.
In-person payments can be made at a Southwest Gas office or at an authorized payment location in your area. To find a nearby payment location, visit the Southwest Gas website or call customer service. In-person payments post immediately, so there is no waiting period. You can pay with cash, check, debit card, or credit card at most locations, though some authorized payment centers may have different payment methods available.
Setting up automatic payments to avoid missed due dates
Automatic payments remove the risk of forgetting to pay your bill on time. You can set up automatic payments through your online account by selecting "Autopay" or "Automatic Payments" and choosing a payment date each month. You can also call customer service to set up automatic payments over the phone. Automatic payments are deducted from your bank account on the date you choose, usually a few days before your due date.
To change or cancel automatic payments, log into your online account and update your autopay settings, or call customer service. You can change the payment date, the amount, or turn off autopay at any time. If you cancel autopay, make sure you have another way to pay your bill so you do not miss a payment. Southwest Gas does not charge a fee for automatic payments.
What to do if you cannot pay your full bill by the due date
If you are having trouble paying your bill, contact Southwest Gas before your due date to discuss your options. You may be able to set up a payment plan that spreads your balance over several months. Southwest Gas also offers programs for customers with low income or financial hardship. Call customer service to ask about these programs and what information you will need to provide.
If your account falls behind, Southwest Gas may charge a late fee and eventually disconnect your service. Late fees are typically a percentage of your unpaid balance. If you receive a disconnection notice, you have a short window to pay or contact Southwest Gas to arrange a payment plan before service is shut off. Acting quickly gives you more options than waiting until after disconnection.
Understanding your bill due date and late fees
Your bill due date is printed on the front of your bill and is usually 15 to 20 days after the bill is issued. If the due date falls on a weekend or holiday, payment is due the next business day. A late fee applies if your payment is not received by the due date, regardless of when you submit it or which payment method you use. The late fee amount varies by state and is shown on your bill.
If you pay late, the late fee is added to your next bill. Paying late does not reset your due date for the next month — your next bill will still be due on its regular schedule. If you are consistently paying late, setting up automatic payments is the easiest way to ensure your payment arrives on time every month.
Frequently Asked Questions
Is there a fee to pay my Southwest Gas bill online?
No. Southwest Gas does not charge a fee for online payments, mobile app payments, or automatic payments made directly from your bank account or debit card. Phone payments also have no fee. Some third-party payment processors may charge a fee if you use their service, but Southwest Gas's own payment methods are free.
How long does it take for a mailed check to post to my account?
Mail typically takes 7 to 10 business days to reach Southwest Gas's processing center. Your payment must arrive by your due date to avoid a late fee, so mail your check at least 10 days before the due date. If you are close to your due date, use online, phone, or in-person payment instead to ensure it posts on time.
Can I pay my Southwest Gas bill with a credit card?
You can pay with a credit card at in-person payment locations and through some third-party payment processors, though those processors may charge a fee. For online and phone payments directly through Southwest Gas, you can use a debit card or bank account. Check the Southwest Gas website or call customer service to see which payment methods are available in your area.
What happens if I miss my due date?
A late fee is added to your account if payment is not received by the due date. The late fee amount is shown on your bill. If your account continues to fall behind, Southwest Gas may send a disconnection notice. You will have a short time to pay or contact customer service to arrange a payment plan before service is shut off.
Can I set up automatic payments for a different amount each month?
Automatic payments are typically set for a fixed amount each month. If your bill varies significantly, you can set autopay for a lower amount and pay the difference manually, or you can adjust your autopay amount each month through your online account. Call customer service if you want to discuss payment plan options that match your usage patterns.