SIP Trunking in
Chicago, Illinois
Chicago businesses save 40–60% on phone bills with IPComms SIP trunking. Get local 312, 773, and 872 numbers available instantly. $0 per channel, no contracts, and enterprise-grade reliability from a provider trusted since 2002.
Local Chicago Phone Numbers
Get local Chicago phone numbers in area codes 312, 773, and 872. Your customers see a familiar Chicago number, and you get enterprise-grade SIP trunking behind the scenes. Numbers are provisioned instantly when you sign up.
Downtown Chicago, the Loop, River North, Gold Coast — the iconic Chicago business area code that signals a premier downtown presence.
Chicago neighborhoods outside the Loop — Lincoln Park, Wicker Park, Logan Square, Hyde Park, and the entire city.
City of Chicago overlay covering the same area as 312 and 773 — available for new number assignments.
All Chicago area code numbers are $1.50/month per DID. Port your existing Chicago numbers or choose new ones instantly.
Chicago SIP Trunking Pricing
Straightforward pricing with no hidden fees. Pay only for what you use.
SIP Trunks
- Unlimited concurrent calls
- TLS/SRTP encryption included
- No monthly minimums
Calling Rates
Get Started
- $0/channel — pay only for usage
- Pick a Chicago number & go live in minutes
- Cancel anytime
Why Chicago Businesses Choose IPComms
Enterprise-grade SIP trunking built for the demands of the Windy City's business community.
Local Numbers in Every Illinois Area Code
Get numbers in 312, 773, 872, and every other Illinois area code. Establish a local presence from the Loop to the suburbs and beyond.
Works with Your Existing PBX
Plug into Asterisk, FreePBX, 3CX, Microsoft Teams, Cisco, Avaya, or any SIP-compatible phone system. No hardware changes needed.
$0 Per Channel
No trunk fees, no channel limits. Pay only for the minutes you use and the numbers you hold. Most Chicago businesses save 40–60% versus traditional PRI circuits.
99.99% Uptime
Geo-redundant infrastructure across multiple data centers ensures your Chicago business stays connected. Automatic failover keeps calls flowing.
Industries We Serve in Chicago
From Loop financial firms to River North agencies, IPComms powers voice communications across Chicago's diverse business landscape.
Call Centers
Chicago is a major call center market. Our $0 per channel pricing and unlimited concurrent calls are built for high-volume environments.
Learn more →Law Firms
Secure, encrypted SIP trunking with TLS/SRTP for attorney-client privilege. A prestigious 312 number signals a downtown Chicago presence.
Learn more →Medical Practices
HIPAA-ready voice infrastructure for Chicago healthcare providers. E911 compliant with reliable uptime for patient communications.
Learn more →Real Estate
Multiple local Chicago numbers for different listings and neighborhoods. Track which numbers generate leads with detailed call records.
Learn more →Get Started in 3 Simple Steps
Go live with Chicago SIP trunking in minutes, not weeks.
Sign Up
Create your account in the IPComms portal. No contracts, no commitments. Choose your Chicago phone numbers from area codes 312, 773, or 872.
Configure Your PBX
Point your Asterisk, FreePBX, 3CX, or Teams system to our SIP servers. We provide step-by-step guides for every major PBX platform.
Start Calling
Make and receive calls on your new Chicago numbers immediately. Port your existing numbers in 7–14 business days while using new numbers right away.
Get Chicago Phone Numbers Today
Sign up in minutes and choose local Chicago numbers in area codes 312, 773, and 872. No contracts, no commitments.