Office Communications for Carolina Businesses
North Carolina & South Carolina

Business Phone Lines for the Carolinas

Need a new business telephone line, more lines for your office, or a better option for your current phone system? We offer several ways to connect your business.

Business telephone service wall jack for an office phone line
Business telephone service for existing and new office phone systems.
Business Phone LinesDigital Voice Lines™Copper Line ReplacementPhone System Support

Business telephone service that fits your equipment

Carolina Phone Service serves small, medium and larger organizations across North Carolina and South Carolina. If you are adding a business phone line or comparing carriers, we can help you choose a service that works with your office phones.

Options include HD Digital Voice Lines™, VoIP and SIP service, phone lines delivered through an adapter, and replacement options for traditional copper lines. Availability and compatibility depend on your location and equipment.

Business Phone Line Options

Choose the line service that works for your office

We offer several types of business telephone service. We can help match the connection to your existing system or a new installation.

For compatible existing phones

Business Phone Lines

Line service delivered through a telephone adapter (ATA), an option for offices that need conventional phone line connections.

Starting at $21.99/monthPlus applicable fees and taxes.
Ask about phone lines →
For SIP-capable systems

Digital Voice Lines™

Digital voice service delivered via SIP for compatible business phone systems, including many modern Avaya and NEC configurations.

Starting at $20.99/monthPlus applicable fees and taxes.
Ask about Digital Voice Lines →
For aging POTS service

Copper Line Replacement

Alternatives to traditional copper telephone lines, including options using fiber or 4G LTE where suitable for your location and application.

As low as $39.99Ask for service details, availability and a complete quote.
Discuss copper replacement →
Keep Your Current System

Phone lines for existing multi-line systems

You may be able to keep your office phones while changing your business telephone service. We can review line options for many Avaya, NEC, Toshiba and Panasonic systems, including legacy multi-line equipment.

  • Business phone lines for compatible legacy systems.
  • SIP and digital voice options for compatible modern systems.
  • Onsite telephone technicians for repair and support.
  • New small business, multi-line and cloud phone system options.
Review My Phone System
About Our Service

A regional business telephone provider

Carolina Phone Service provides business telephone service through the TriTella network, an FCC-registered carrier. We serve businesses throughout North Carolina and South Carolina with phone lines, office phone systems and support.

Frequently Asked Questions

Business phone lines: common questions

Who provides business phone lines near me?

Carolina Phone Service provides business phone line options for companies in North and South Carolina, including service for compatible multi-line and VoIP phone systems. Call NC (704) 828-0088 or SC (803) 650-3775.

Where can I find business telephone service near me?

Carolina Phone Service provides business phone lines, VoIP service and office phone systems throughout North and South Carolina. Call (704) 828-0088 in NC or (803) 650-3775 in SC.

Can I use a new line with my existing phone system?

Often, yes. Compatibility depends on your system and the type of line service. We can review Avaya, NEC, Toshiba, Panasonic and other office equipment before recommending an option.

Do you offer SIP and VoIP phone service?

Yes. We offer SIP-delivered Digital Voice Lines™ and VoIP options for compatible business phone systems, as well as other phone line options.

Can you replace a traditional copper phone line?

We offer copper line replacement options, including fiber or 4G LTE based service where available and appropriate. Tell us what the line connects to so we can check compatibility.

Get a quote for business phone lines

Let us know whether you need new lines, replacement service or a small business phone system. Tell us what equipment you use and how many phones and lines you need.