Verizon Delaware
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Verizon Delaware LLC, formerly The Diamond State Telephone Company, is the Bell Operating Company of Delaware, and small parts of southeastern Pennsylvania. Founded in 1897, it became a part of the Bell System in 1905.cite-ref-genealogy-1-0[1] When the AT&T breakup occurred in 1984, DST became managed by the Regional Bell Operating Company Bell Atlantic.cite-ref-genealogy-1-1[1] In 1994, Bell Atlantic chose to "unify" its brand by legally renaming all of its telephone companies — including Diamond State Telephone to "Bell Atlantic – Delaware, Inc".
After the 2000 merger with GTE, Bell Atlantic – Delaware, Inc. became known as Verizon Delaware, Inc., and later as Verizon Delaware LLC.
References
cite-note-genealogy-11. ↑ "Diamond State Telephone Genealogy" (PDF). Bell System Memorial. Retrieved December 26, 2022.