−Removed: As of December 31, 2020, our significant properties that we own, lease and use in connection with switching centers, data centers, call centers and warehouses were as follows:
−Removed: Approximate Number Approximate Size in Square Feet
−Removed: Switching centers 184 11,000,000
−Removed: Data centers 10 1,800,000
−Removed: Call center 25 1,800,000
−Removed: Warehouses 63 1,500,000
−Removed: Through the Merger, we acquired leases of real property, including cell sites, switch sites, dark fiber, retail stores and office facilities.
−Removed: As of December 31, 2020, we owned and leased:
−Removed: • Approximately 108,000 macro towers and 69,000 distributed antenna system and small cell sites;
−Removed: Table of C o ntents
−Removed: • Approximately 3,400 T-Mobile and Metro by T-Mobile retail locations, including stores and kiosks ranging in size from approximately 100 square feet to 17,000 square feet;
−Removed: • Office space totaling approximately 1.3 million square feet for our corporate offices located in Bellevue, Washington.
−Removed: We use these offices for engineering and administrative purposes;
−Removed: • Office space totaling approximately 2.0 million square feet for our corporate offices located in Overland Park, Kansas and Frisco, Texas.
−Removed: We use these offices for administrative purposes;
−Removed: • Office space throughout the U.S., totaling approximately 3.0 million square feet, for use by our regional offices primarily for administrative, engineering and sales purposes.
+Added: Our properties are best described on a collective basis, as no individual property is material.
+Added: Our property and equipment consists of the following:
+Added: December 31, 2021
+Added: December 31, 2020
+Added: Wireless communication systems 66 % 64 %
+Added: Land, buildings and building equipment 5 % 5 %
+Added: Data processing equipment and other 29 % 31 %
+Added: Total 100 % 100 %
+Added: Wireless communication systems primarily consist of assets used to operate our wireless network and information technology data centers, including switching equipment, radio frequency equipment, tower assets, construction in progress and leasehold improvements related to the wireless network and assets related to the liability for the retirement of long-lived assets.
+Added: Land, buildings and building equipment primarily consist of land and land improvements, central office buildings or any other buildings that house network equipment, buildings used for administrative and other purposes, related construction in progress and certain network service equipment.
+Added: Data processing equipment and other primarily consists of data processing equipment, office equipment, capitalized software, leased wireless devices, construction in progress and leasehold improvements.
+Added: We also lease distributed antenna system and small cell sites, as well as properties throughout the United States that contain data and switching centers, customer call centers, retail locations, warehouses and administrative spaces.
Legal Proceedings
−Removed: For more information regarding the legal proceedings in which we are involved, see Note 2 - Business Combination and Note 1 8 – Commitments and Contingencies of the Notes to the Consolidated Financial Statements.
+Added: For more information regarding the legal proceedings in which we are involved, see Note 2 – Business Combinations and Note 17 – Commitments and Contingencies of the Notes to the Consolidated Financial Statements.
Mine Safety Disclosures
+Added: Not applicable.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.