Telephone areas serviced by Bell and independent companies in the United States
By: B.A. Hart ... [et al.]
Contributors: Hart, B. A; United States. National Telecommunications and Information Administration
Series: NTIA report -- 82-97
Publisher: U.S. Dept of Commerce, National Telecommunications and Information Administration
Published: 1982
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 119
Subjects: Telephone -- United States; Computer graphics
Notes: "February 1982."

Includes bibliographies