QB Issue Resolution:

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click Your QuickBooks Account

click view support options

click contact us

800.488.7330

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check to insure the number has not changed, again.

Resolution for Issue 'Need a phone number' available: Yes (Solved).
Source: Intuit Community forum.

Need a phone number: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Quickbooks/QBO
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