If you already have a Spectrum Internet plan, you may be wondering how much it costs to add a phone line to your service. Many households and small businesses still use a landline phone for convenience, reliability, or security reasons. Spectrum gives you the option to add home phone service to your existing internet plan at an affordable monthly rate.
you’ll learn everything about the cost, features, and value of adding a phone line to your Spectrum Internet plan. You’ll also discover how it fits into Spectrum deal packages, and how to save money by bundling your services.
What Is Spectrum Voice?
Spectrum Voice is Spectrum’s home phone service. It’s a digital landline phone that uses VoIP (Voice over Internet Protocol) technology. However, it does not rely on your internet speed, and it works separately from your internet connection.
With Spectrum Voice, you can enjoy unlimited local and long-distance calling in the U.S., Canada, Mexico, and U.S. territories. It also includes over 28 popular calling features like:
- Voicemail
- Call Waiting
- Caller ID
- Call Forwarding
- Block Unwanted Callers
How Much Does It Cost to Add a Phone Line?
As of 2025, adding a phone line to your Spectrum Internet plan costs $14.99 per month when bundled. This price is available when you add Spectrum Voice to an existing internet or TV plan.
Here’s a breakdown:
Service TypeMonthly PriceSpectrum Voice (add-on)$14.99Spectrum Voice (standalone)$29.99
If you only want the phone service without bundling, the cost increases to $29.99 per month. So, bundling is the more cost-effective choice.
What’s Included in That Price?
When you pay $14.99 per month for Spectrum Voice, you get:
- One phone line with unlimited nationwide calling
- More than 28 calling features
- No added taxes or fees (Spectrum includes most fees in the listed price)
- Optional equipment like a phone modem or battery backup
- No annual contracts
You also receive Spectrum's standard 24/7 customer support.
Why Add a Phone Line?
You might wonder why you need a landline phone in the age of smartphones. Here are a few reasons why customers still choose to add Spectrum Voice to their Spectrum Internet plan:
- Emergency Reliability
Landlines often work during power outages if connected to a battery backup. They’re also ideal for 911 calls because your address is automatically available to emergency services. - Clearer Call Quality
Spectrum Voice offers crystal-clear digital call quality, free from mobile network issues like dropped calls or signal interference. - Great for Businesses
Small businesses benefit from a dedicated phone line with professional calling features like voicemail-to-email, call waiting, and call forwarding. - Affordable Bundle Options
Adding phone service as part of Spectrum deal packages is often cheaper than using separate mobile or landline services.
How to Add a Phone Line to Your Spectrum Internet Plan
Adding Spectrum Voice to your plan is easy. You can:
- Call Spectrum Customer Service
Dial 1-855-75-SPECTRUM (1-855-757-7328) to speak with a representative. - Add It Online
Log in to your Spectrum account and add Voice service to your current plan. - Visit a Local Spectrum Store
You can also upgrade your plan in person.
After signing up, Spectrum will send a technician to install any necessary equipment, usually a phone modem.
Does Adding a Phone Line Affect Internet Speeds?
No. Spectrum Voice works independently of your internet bandwidth. Your internet speed will remain the same after adding the phone line. That means you can still enjoy fast streaming, gaming, or video conferencing without any issues.
Are There Spectrum Deal Packages That Include a Phone Line?
Yes. Spectrum offers several deal packages that bundle internet, TV, and phone services. These bundles provide better value than purchasing each service separately.
Popular Bundle Options:
- Internet + Voice
Spectrum Internet (starting at 300 Mbps)
Spectrum Voice
Starting at $64.98/month - Internet + TV + Voice
Spectrum Internet (300 Mbps or higher)
Spectrum TV Select (over 150 channels)
Spectrum Voice
Starting at $114.97/month - Spectrum One Bundle (Limited Offer)
Spectrum Internet
Advanced WiFi
Unlimited Mobile Line (includes Spectrum Voice)
Promotional rates as low as $49.99/month
These bundles often include promotional pricing for new customers and may offer free installation or equipment for a limited time.
Can I Keep My Current Phone Number?
Yes. When you sign up for Spectrum Voice, you can keep your existing phone number. Just request phone number porting during the signup process. Spectrum will handle the transfer from your previous provider.
Does Spectrum Charge Equipment Fees?
Spectrum may provide a phone modem at no extra charge. However, optional battery backup units for power outages cost extra. These are useful if you want your phone to work during a blackout.
If you already have your own compatible phone equipment, you may not need to rent additional devices.
Are There Any Hidden Fees?
Spectrum is known for transparent billing. Most taxes and fees are included in the monthly rate. However, optional services, international calling, or unreturned equipment could result in extra charges.
How to Save More on Spectrum Deal Packages
If you want to get the most value from Spectrum’s services, consider the following tips:
- Bundle Services: Bundling internet, phone, and TV can reduce your total cost.
- Watch for Promotions: New customers can often get special pricing for the first 12 months.
- Use Autopay and Paperless Billing: Some discounts apply when you enroll in automatic payments and paperless billing.
- Negotiate on Renewal: After your first year, call Spectrum and ask about loyalty discounts or current promotions.
Final Thoughts
Adding a phone line to your Spectrum Internet plan is both easy and affordable. At only $14.99 per month, Spectrum Voice offers excellent value with unlimited nationwide calling, powerful features, and reliable service. Whether you need a backup phone, a line for your home business, or a way to stay in touch with family, this is a cost-effective addition to your internet plan.
FAQs
Q: Can I add more than one phone line?
A: Yes, Spectrum allows multiple phone lines at an additional cost per line.
Q: Is there a contract for Spectrum Voice?
A: No. Like other Spectrum services, Spectrum Voice does not require an annual contract.
Q: Is international calling included?
A: Unlimited calling includes the U.S., Canada, Mexico, and U.S. territories. Other international calls may require an additional plan or per-minute charges.