47 C.F.R. § 42.6
Retention of telephone toll records
Each carrier that offers or bills toll telephone service shall retain for a period of 18 months such records as are necessary to provide the following billing information about telephone toll calls: the name, address, and telephone number of the caller, telephone number called, date, time and length of the call. Each carrier shall retain this information for toll calls that it bills whether it is billing its own toll service customers for toll calls or billing customers for another carrier.
Notes of Decisions
Cited in 4
cases (1 in the last 5 years), 2006–2026 · leading case: United States v. Graham, 846 F. Supp. 2d 384 (D. Maryland 2012).
United States v. Graham, 846 F. Supp. 2d 384 (D. Maryland 2012). “Cellular providers are required to maintain for eighteen months "the name, address, and telephone number of the caller, telephone number called, date, time and length of the call” pursuant to 47 C.F.R. § 42.6 . This requirement, however, does not pertain to historical cell site…”
Rivera v. AT & T CORP., 420 F. Supp. 2d 1312 (S.D. Fla. 2006). “Pursuant to 47 C.F.R. § 42.6 , AT & T must retain billing and call detail records for eighteen months only.”
Denver Post Corp. v. Ritter, 230 P.3d 1238 (Colo. Ct. App. 2009). “See 47 C.F.R. § 42.6 (2009). In contrast, we note that providers of land line telephones typically toll only long distance calls, and only to the originator; lists of local calls and received calls (where the charges were not reversed) are typically not included in billing…”
Taylor (D. Conn. 2026). “Noting that 47 C.F.R. § 42.6 appears to require such records to be retained for eighteen (18) months, the Defendant attempted to explore Plaintiff’s statement by serving interrogatories dated February 27, 2026.”
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