Vancouver area code 604 (and overlays 778, 236, 672)

What is the area code for Vancouver?

The area code for Vancouver, British Columbia is 604, with overlay codes 778, 236, 672 sharing the same geographic footprint. The 604 area code is a North American Numbering Plan geographic code assigned in 1947, covering the Metro Vancouver / Lower Mainland region. It serves approximately 2,600,000 residents on the Pacific Time (PT) (UTC-8 / UTC-7 DST).

Cities served by the 604 area code

The 604 area code covers 5 major cities and towns across the Metro Vancouver / Lower Mainland region (BC):

Businesses across Vancouver and surrounding cities use 604 numbers to project local presence and lift call answer rates. Industry studies of local presence dialing consistently report answer-rate gains of 20–40% over toll-free or out-of-area numbers — a caller ID that matches the recipient's region looks familiar and gets picked up.

604 area code time zone and business hours

The 604 area code is in the Pacific Time (PT) zone (UTC-8 / UTC-7 DST). Standard business hours in 604 run 9 AM to 5 PM PT.

If you're calling into 604 from a different time zone, factor in the offset. For example, an Eastern Time business calling 604 at 9 AM ET reaches Vancouver at 6 AM PT — likely outside standard business hours.

History of the 604 area code

The 604 area code was one of the original 86 area codes assigned in 1947 when the North American Numbering Plan was first deployed. As Vancouver grew and number demand increased, overlay codes 778, 236, 672 were added to serve the same geographic region — a common solution that avoids forcing existing subscribers to change their numbers.

• 1947 604 entered service (one of the 86 original NANP area codes)
• 2001 778 added to serve the same region
• 2013 236 added to serve the same region
• 2019 672 added to serve the same region

Is the 604 area code safe? Spam and scam calls

604 is a legitimate geographic area code for Vancouver — it is not a scam code or a premium-rate prefix, and a call from a 604 number is most likely a genuine local caller. The risk is not the area code itself but a tactic called neighbor spoofing: scammers fake their caller ID so an unwanted call appears to come from your own area code, because people answer familiar numbers more readily.

If you get an unexpected 604 call, a few signals point to a likely scam — a pre-recorded message, urgent pressure to act now, a demand for payment by gift card or wire transfer, or anyone asking for passwords, Social Insurance Number, or account numbers. Let suspicious calls go to voicemail, never share personal information, and report fraud to the Canadian Anti-Fraud Centre at antifraudcentre-centreantifraude.ca. The CRTC guide on caller ID spoofing explains your rights under Canada's STIR/SHAKEN caller-ID authentication framework. A real Vancouver business will leave a clear voicemail and will not pressure you.

US carriers verify caller ID with the STIR/SHAKEN framework, which flags many spoofed numbers as "Spam Likely" before they ring. DialPhone 604 numbers are registered for STIR/SHAKEN attestation, so calls from your business are verified as genuine and reach customers without a false spam label. See the DialPhone guide to VoIP security for more.

Why get a 604 area code number for your business?

Getting a 604 number gives your business three measurable advantages over a toll-free or out-of-area number:

1. Local trust signal. Customers in Vancouver recognize 604 as their home area code. Caller ID matching builds immediate credibility for service businesses, sales outreach, and patient communication.
2. Higher answer rate. Calls from a familiar local area code are answered far more often than unknown or toll-free numbers — industry measurements of local presence dialing put the lift at 20–40%, which matters most for outbound sales, appointment confirmations, and time-sensitive service callbacks.
3. Targeted marketing. Businesses serving Vancouver and the broader Metro Vancouver / Lower Mainland can advertise a local number across print, radio, billboards, and digital channels for higher conversion than a national 800 number.

For businesses in Vancouver and surrounding cities, top industries that benefit from local 604 presence include Professional Services, Healthcare, and Retail. DialPhone's AI receptionist is available for every 604 number — never miss a call, even after standard business hours.

How to get a 604 area code number

Setting up a 604 business number with DialPhone takes under 10 minutes:

1. Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
2. Search available 604 numbers. Filter the DialPhone number inventory by area code, city, or pattern.
3. Choose your number and configure. Assign your new 604 number to a user or team, set up call routing, voicemail, AI receptionist, and business SMS.
4. Port your existing number (optional). Already have a 604 number? Free number porting in 2 to 5 business days with zero service interruption.

New to local numbers? The complete guide to getting a local phone number covers choosing the right area code, porting an existing line, and avoiding spam flags.

604 area code overlay codes

The Metro Vancouver / Lower Mainland region is served by multiple overlay area codes:

All overlay codes serve the same Vancouver region. New subscribers may be assigned any available code; existing numbers retain their original prefix.

AI receptionist for 604 area code businesses

Every DialPhone 604 number includes optional AI receptionist coverage, available 24/7. The AI handles calls when your team is unavailable — answering common questions, booking appointments, routing urgent callers to on-call staff, and capturing voicemail with full transcription and intent tagging.

For businesses in Vancouver that handle high call volume, run extended hours, or need bilingual support (especially valuable in service areas with diverse customer bases), the AI receptionist reduces voicemail backlog and improves first-call resolution.

All area codes in British Columbia

British Columbia has 5 active geographic area codes. The 604 area code is part of the same numbering plan as the codes listed below — calls between them are typically local within the state, depending on the carrier.

Nearby area codes

Related area codes in British Columbia and the Pacific Time (PT) region:

• 778 area code — Vancouver, British Columbia
• 236 area code — Vancouver, British Columbia
• 672 area code — Vancouver, British Columbia
• 250 area code — Victoria, British Columbia
• 206 area code — Seattle, Washington
• 209 area code — Stockton, California

All British Columbia area codes → · Browse all US area codes →

More area codes: ← 603 Manchester · 605 Sioux Falls →

How We Tested

DialPhone re-verifies every area code page every 90 days. Area code geography, timezone, and overlay data come from the official North American Numbering Plan Administration (NANPA) database. Pricing reflects the published DialPhone plan tiers — see the pricing page for current details. Number availability varies; check the DialPhone signup flow for live inventory in the 604 region.

What We Don't Like

• Number availability is finite. Popular Vancouver area codes can be inventory-constrained — request specific vanity patterns early.
• Porting timing varies. Most 604 ports complete in 2-5 business days; complex multi-line legacy contracts can take 7-10.
• HIPAA tier required for healthcare. The Core $24 plan doesn't include a BAA — healthcare users need Advanced ($34) or above.