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Area Codes/866
United States State flag866 toll-free

Get a toll-free 866 phone number for your business

Biggest city

Nationwide

StateUnited States
Major Cities

Nationwide Coverage

Timezone

All US Time Zones

Population

330,000,000+

Nearby Area Codes
800888877855844833

Last updated: July 29, 2025

Starting at

$7/mo

Get started

866 toll-free area code summary

The 866 area code was introduced in 2000 to meet growing demand for toll-free numbers. 866 numbers function identically to 800 numbers.

Fun fact 💡

866 numbers became popular in the early 2000s dot-com boom.

🏢 First Phone Company

AT&T

📲 Get a 866 number: $7/mo
Customer Stories

What our users are saying

10 min
To first call
The onboarding was incredibly smooth. Had my number set up and making calls within 10 minutes. Amazing value for the price – easily beats the competition.
SS

Sheldon Scipio

Entrepreneur

Why Phone2?

More than just a 866 number

Get a complete business phone system with features that help you never miss a customer.

40%
fewer missed calls

Shared Team Numbers

Your whole team shares one business number. When someone is busy, another teammate answers. No more missed opportunities.

24/7
call coverage

Smart Call Routing

Route calls by schedule, team, or IVR menu. After-hours calls go to voicemail or forward to on-call staff.

2+ hrs
saved per week

AI Transcription

Every voicemail and call automatically transcribed. Search conversations, catch details you missed, skip the playback.

50%
faster follow-ups

Unified Inbox

Calls, texts, and voicemails in one thread per contact. Your whole team sees the full conversation history.

3
platforms supported

Works Everywhere

iOS, Android, and web apps. Make calls from your laptop, take texts on your phone. Your number travels with you.

2 min
setup time

Instant Activation

Pick a number, download the app, start calling. No hardware, no technicians, no waiting. Works immediately.

Ready to get your 866 number?

Get a local business phone number in minutes. No contracts, cancel anytime.

Get a 866 numberView plans

Starting at $7/month • 30-day refund guarantee • Cancel anytime

Phone2

Your team's business phone

[email protected]
Irvine, CA • Vancouver, BC

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