Table:
|  |  | Three months ended |  |  |
| --- | --- | --- | --- | --- |
|  | March 31, 2018 | June 30, 2018 | September 30, 2018 | December 31, 2018 |
|  |  | (in thousands, except share and per share amounts) |  |  |
| Service revenue | $128,706 | $129,296 | $130,139 | $132,049 |
| Network operations, including equity-based compensation expense | 54,875 | 54,379 | 54,615 | 55,660 |
| Gains on equipment transactions | 117 | 357 | 416 | 92 |
| Operating income | 20,637 | 21,354 | 22,255 | 22,311 |
| Net income | 6,784 | 6,552 | 8,231 | 7,100 |
| Net income per common share—basic and diluted | 0.15 | 0.15 | 0.18 | 0.16 |
| Weighted-average number of common shares—basic | 44,923,973 | 45,016,767 | 45,105,830 | 45,284,481 |
| Weighted-average number of common shares—diluted | 45,294,697 | 45,536,473 | 45,699,635 | 45,803,418 |
Paragraphs:
11. Quarterly financial information (unaudited): (Continued)
(1) Included in net income for the three months ended September 30, 2019 and December 31, 2019 are an unrealized gain and (loss) on foreign exchange on the Company’s 2024 Notes of $6.1 million and ($4.0) million, respectively.
Question:
What is the total service revenue at March 31 and June 30, 2018?
Answer: ($128706 + $129296)  = 258002