Area codes 306 and 639, Area codes in Saskatchewan, Canada
Area codes 306 and 639 serve all of Saskatchewan, Canada, providing telephone numbers to residents and businesses throughout urban and rural areas. Both codes operate simultaneously across the province, with new phone lines assigned to either prefix depending on availability.
Area code 306 began service in 1947 as Saskatchewan's first telephone prefix. Code 639 was added in 2013 to meet growing demand for telephone numbers across the province.
The selection of area code 639 instead of 474 reflected community preferences and mathematical considerations when expanding Saskatchewan's telephone numbering system.
Which code appears on your phone depends on when your line was activated and your provider's assignment. Ten-digit dialing applies to all calls within Saskatchewan, a change required since the second code was introduced.
Saskatchewan remained the final Canadian province to implement mandatory ten-digit dialing, transitioning from seven-digit calls in May 2013.
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