Area code 639: Saskatchewan
Area code 639 is a Canadian province area code for Saskatchewan, on Central Standard Time. It has 776 prefixes in service across 202 exchange areas, the largest being Regina, Saskatoon and Moose Jaw. It shares its area with 306 and 474, so local numbers there can start with any of them. Local calls there take 10 digits.
Local time in area code 639
America/Regina
Prefixes in service
776 of 792 possible
202 exchange areas
Area code 639 facts
| Location | Saskatchewan, Canada |
|---|---|
| Time zone | Central Standard Time |
| Overlays | 306, 474 |
| Overlay of | 306 |
| In service since | May 25, 2013 |
| Local calls | 10 digits; toll calls 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
Which cities and towns use area code 639?
The Canadian Numbering Administrator records each prefix against an exchange area, usually named after its main town. These are the 639 exchange areas with the most prefixes in service. 190 smaller ones aren't listed.
| Exchange area | Prefixes |
|---|---|
| Regina | 71 |
| Saskatoon | 33 |
| Moose Jaw | 32 |
| Prince Albert | 10 |
| Biggar | 9 |
| Kipling | 9 |
| Davidson | 9 |
| Lumsden | 9 |
| Moosomin | 8 |
| Langham | 8 |
| Bruno | 7 |
| North Battleford | 7 |
Source: Canadian Numbering Administrator CO code status, file dated 2026-10-16. Each prefix holds up to 10,000 numbers.
How do I dial a 639 number?
NANPA's dialling plan for 639: local calls inside the code take 10 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 639 | 639-555-0147 |
|---|---|
| From another US or Canadian area code | 1-639-555-0147 |
| From outside North America | +1 639 555 0147 |
| E.164, for CRMs and SMS tools | +16395550147 |
When did area code 639 start?
Area code 639 went into service on May 25, 2013 as an overlay of 306. Today 639, 306 and 474 cover the same area as an overlay, which is why 10-digit dialling is needed for local calls there.
Tools for 639 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 639 number tells you where it was issued, not what it is now.
Mobiles, landlines and VoIP lines share area codes, and numbers move between carriers. A live line-type and carrier lookup on every number in your list says which is which, and that decides which calling and texting rules apply. It's in the Email + Phone plan.
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Area code 639 questions
- What province is area code 639?
- Area code 639 is in Saskatchewan, Canada. Its largest exchange areas by number of prefixes are Regina, Saskatoon, Moose Jaw, Prince Albert and Biggar.
- What time zone is area code 639 in?
- Central Standard Time.
- What area codes overlay 639?
- 306 and 474. An overlay adds a new code to the same area instead of splitting it, so neighbours can have different area codes and local calls need 10 digits.
- When did area code 639 start?
- Area code 639 went into service on May 25, 2013 as an overlay of 306.
- Is a 639 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 639 have?
- 776 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
Other area codes in Saskatchewan
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and exchange areas: Canadian Numbering Administrator CO code status, 2026-10-16. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.