CRA Business Number wait times

Registering a business number and managing program accounts.

Figures below cover the 30 days to 31 October 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 28 minutes over the last 30 days, making it the 4th fastest of the 9 CRA lines we track. It is quietest on Tuesdays (27 minutes on average) and around 8am–9am ET; busiest on Mondays (29 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

Average CRA hold time in minutes for Business Number, by day and hour, Eastern Time, over the last 30 days. Weekend rows show the line closed.
8a9a10a11a12p1p2p3p4p5p6p7p
Mon213236302928303032252925
Tue172328303131342324272626
Wed182125232631333033282330
Thu222630262428273331283426
Fri182427282629302932323025
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 — busiest day, 29 minutes on average. Best hour 8a (21 min), worst hour 10a (36 min).
  • Tuesday — quietest day, 27 minutes on average. Best hour 8a (17 min), worst hour 2p (34 min).
  • Wednesday — 27 minutes on average. Best hour 8a (18 min), worst hour 2p (33 min).
  • Thursday — 28 minutes on average. Best hour 8a (22 min), worst hour 6p (34 min).
  • Friday — 28 minutes on average. Best hour 8a (18 min), worst hour 4p (32 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 31 October 2026 it averaged 28 minutes, ranging from about 27 minutes on a typical Tuesday to 29 minutes on a typical Monday.

When is the best time to call the CRA Business Number line?

Tuesdays are quietest, averaging 27 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?

Mondays are busiest, averaging 29 minutes, and the slowest stretch is around 2pm–3pm Eastern Time.

Figures regenerated 2026-11-01T01:04:56+00:00 from readings taken every 5 minutes. See live wait times for all CRA lines.