Directory information, not recipient confirmation. Fax numbers can change and differ by department, location, form, or plan. Confirm this destination directly with GD Service Center before sending sensitive documents. FaxFlow is not affiliated with this organization.
GD Service Center fax number
(877) 401-0870
Used for: Submission of Connecticut CT-W4P (Connecticut Withholding Certificate for Pension or Annuity Payments) for CT withholding on pension distributions; CT-W4P is to be faxed to the GD Service Center.
Fax destination details
- Purpose
- Submission of Connecticut CT-W4P (Connecticut Withholding Certificate for Pension or Annuity Payments) for CT withholding on pension distributions; CT-W4P is to be faxed to the GD Service Center.
- Form
- CT-W4P — Connecticut Withholding Certificate for Pension or Annuity Payments
- Voice phone
- 1-888-432-3633
- Website
- Visit organization website
Before you send
- Confirm that this exact department handles your document or request.
- Check the organization website or call its main line for the current fax number.
- Include a cover sheet and any case, member, claim, or form reference required.
- Keep the delivery confirmation with your submission records.
Complete CT-W4P; submit to the payer or to the GD Service Center for processing; if CT W-4P is not filed, CT withholding may default to 6.99%.
Sources and verification
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