CRA Business Number wait times
Registering a business number and managing program accounts.
Figures below cover the 30 days to 2 September 2026. Live wait times refresh every 5 minutes on the homepage.
The phone number for this line is published on canada.ca.
The CRA Business Number line averages 34 minutes over the last 30 days, making it the 7th fastest of the 9 CRA lines we track. It is quietest on Mondays (30 minutes on average) and around 8am–9am ET; busiest on Thursdays (35 minutes) and around 2pm–3pm ET.
Our readings show this line answering Monday to Friday, 8:00 a.m. to 8:00 p.m. Eastern Time.
Business Number wait times by day and hour
| 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 21 | 26 | 29 | 32 | 22 | 25 | 33 | 38 | 34 | 33 | 36 | 34 |
| Tue | 21 | 30 | 36 | 42 | 44 | 37 | 43 | 36 | 31 | 35 | 31 | 32 |
| Wed | 19 | 28 | 35 | 40 | 43 | 39 | 35 | 36 | 36 | 29 | 32 | 27 |
| Thu | 22 | 31 | 35 | 38 | 42 | 42 | 43 | 35 | 36 | 31 | 37 | 32 |
| Fri | 21 | 30 | 33 | 41 | 41 | 41 | 40 | 35 | 38 | 33 | 32 | 31 |
| Sat | — | — | — | — | — | — | — | — | — | — | — | — |
| Sun | — | — | — | — | — | — | — | — | — | — | — | — |
<15Under 15 min 15–2915–29 min 30+30 min and over FullLine full Closed
View this data as text
Average CRA hold times for Business Number, by day, Eastern Time:
- Monday — quietest day, 30 minutes on average. Best hour 8a (21 min), worst hour 3p (38 min).
- Tuesday — 35 minutes on average. Best hour 8a (21 min), worst hour 12p (44 min).
- Wednesday — 33 minutes on average. Best hour 8a (19 min), worst hour 12p (43 min).
- Thursday — busiest day, 35 minutes on average. Best hour 8a (22 min), worst hour 2p (43 min).
- Friday — 35 minutes on average. Best hour 8a (21 min), worst hour 11a (41 min).
- Saturday — closed, no answered calls recorded.
- Sunday — closed, no answered calls recorded.
Frequently asked questions
How long is the wait for the CRA Business Number line?
Over the 30 days to 2 September 2026 it averaged 34 minutes, ranging from about 30 minutes on a typical Monday to 35 minutes on a typical Thursday.
When is the best time to call the CRA Business Number line?
Mondays are quietest, averaging 30 minutes, and within the day the calmest stretch is around 8am–9am Eastern Time.
When is the worst time to call the CRA Business Number line?
Thursdays are busiest, averaging 35 minutes, and the slowest stretch is around 2pm–3pm Eastern Time.
Figures regenerated 2026-09-03T03:49:03+00:00 from readings taken every 5 minutes. See live wait times for all CRA lines.