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Area Codes/579
Quebec province flag579 area code

Get a local phone number in Valleyfield, QC

Biggest city

Valleyfield

StateQuebec
Major Cities

Overlay for 450 area; includes Longueuil, Laval, Saint-Jean-sur-Richelieu, Terrebonne, Brossard.

Timezone

Eastern (GMT -5)

Zip codes

J6S 1C6•J6S 1C8

Population

41,699

Unemployment

3.60%

Avg. Income

$133,663

Nearby Area Codes
315

Last updated: December 7, 2025

579 • Valleyfield

Starting at

$7/mo

Get started

579 area code summary

The 579 area code is a crucial component of the telecommunications infrastructure in Quebec, Canada, serving a significant part of the province and enhancing connectivity across its diverse communities.

An Overlay Area Code for Southern Quebec: Introduced in 2010 as an overlay to the existing 450 area code, the 579 area code covers the same geographical region in southern Quebec. This includes suburban areas around Montreal and extends to more rural regions. The introduction of 579 was necessary to address the increasing demand for new phone numbers in this densely populated and economically vibrant area. Supporting a Diverse Population and Economy: The area served by the 450/579 area code combination is known for its mix of urban and rural settings, encompassing a variety of economic activities, from agriculture in the rural areas to business and industry in the suburbs. The region is also culturally diverse, reflecting Quebec's unique French-Canadian heritage combined with a growing multicultural population. Adapting to Technological Advancements and Population Growth: The implementation of the 579 area code as an overlay to 450 reflects Quebec's adaptation to rapid population growth, urban expansion, and the proliferation of digital devices and services. This strategy ensures a continuous supply of phone numbers for new residents and businesses while maintaining existing numbers, signifying the region's ongoing development and capacity to adapt to changing telecommunications needs.

The 579 area code, along with 450, symbolizes southern Quebec's adaptability, diversity, and economic vitality, playing a critical role in connecting the area's unique blend of suburban and rural communities and supporting its complex and dynamic economy.

Fun fact 💡

Saint-Jean’s International Balloon Festival lifts off since 1983.

🏢 First Phone Company

Bell Canada

📲 Get a 579 number: $7/mo
Customer Stories

What our users are saying

99.99%
Uptime in 8 months
Perfect for startups! We've had zero downtime in 8 months. The reliability is enterprise-grade but the price is startup-friendly. Highly recommend.
D

Debora

Startup CEO

Why Phone2?

More than just a 579 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.

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

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