If you are going to court and have a lawyer, you should be able to get a court order.  Contact Verizon Legal:

Legal Process Compliance

Legal Process Compliance

• Responds to lawful process of business information, customer telephone and IP information.
• Ensures court orders, search warrants, subpoenas and other legal document requests are processed confidentially and in compliance with all applicable laws.
• Coordinates court appearances for Verizon Custodian of Records.

See also: Verizon Online Civil Subpoena Policy (pdf)

Contact Number: 1-888-483-2600

Fax Number: 325-949-6916

Mailing Address
Verizon Legal Compliance
Custodian of Record
2701 S. Johnson Street
MC-TXD01613
San Angelo, TX 76904

Hours of Operation: Monday - Friday 8:00 a.m. - 4:30 p.m.