Directory information — verify before you send. This fax number was compiled by automated research from public sources. It may be out of date, incomplete, incorrect, or in rare cases wrong entirely, and it is not confirmed by RingCentral, Inc.. Before sending anything sensitive, confirm the number and receiving department directly with RingCentral, Inc., and consider sending a test cover page first. FaxFlow is an independent directory, is not affiliated with, endorsed by, or sponsored by this organization, and accepts no liability for reliance on this listing.

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RingCentral, Inc. fax number

(800) 520-1568

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Used for: Credit card authorization / payment processing via fax

Fax destination details

Purpose
Credit card authorization / payment processing via fax
Form
Credit Card Authorization Form — Credit Card Authorization Form
Address
20 Davis Drive, Belmont, CA 94002, USA
Voice phone
1-800-574-5290

Before you send

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  • 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.

Fill out the credit card authorization form; fax both pages to (800) 520-1568 or (650) 641-2698; do not email this form; ensure the fax has an unblocked caller ID; processing can take up to 48 hours.

Official form instructions are published as a downloadable file on the organization's website.

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