Number of MYLINE Customers
As of end March 2021
 Unit: 1,000 lines
  Eastern Japan Area Western Japan Area Total
Local Call In-
prefecture
 long-distance
Out-of-
prefecture long-distance
International Local Call In-
prefecture
 long-distance
Out-of-
prefecture long-distance
International Local Call In-
prefecture
 long-distance
Out-of-
prefecture long-distance
International
Registered
customers
*see Note 1
NTT Communications
Corporation
MYLINE 2 4 56 91 2 3 90 81 4 6 146 172
MYLINE PLUS 1,837 1,917 4,863 4,336 2,167 2,231 5,284 4,879 4,003 4,149 10,147 9,215
Subtotal 1,839 1,921 4,919 4,428 2,168 2,234 5,373 4,960 4,007 4,155 10,292 9,388
Percentage
(* see Note 2)
28.9% 30.1% 83.9% 81.8% 32.4% 33.4% 85.8% 84.4% 30.7% 31.8% 84.9% 83.1%
KDDI CORPORATION MYLINE 13 13 17 35 13 12 16 32 25 25 32 67
MYLINE PLUS 344 420 473 501 395 473 520 538 739 892 993 1,039
Subtotal 356 432 489 536 407 485 536 570 764 917 1,025 1,106
Percentage
(* see Note 2)
5.6% 6.8% 8.3% 9.9% 6.1% 7.2% 8.6% 9.7% 5.9% 7.0% 8.5% 9.8%
SoftBank Corp. MYLINE 17 17 19 26 14 15 17 23 31 32 36 49
MYLINE PLUS 190 243 263 268 202 259 276 273 392 503 539 541
Subtotal 207 260 282 294 216 274 293 296 423 534 575 590
Percentage
(* see Note 2)
3.2% 4.1% 4.8% 5.4% 3.2% 4.1% 4.7% 5.0% 3.2% 4.1% 4.7% 5.2%
Rakuten Mobile, Inc. MYLINE 13 16 18 14 1 4 6 4 13 20 24 18
MYLINE PLUS 126 135 150 135 34 46 56 50 160 182 206 185
Subtotal 139 151 168 150 35 50 63 54 174 202 231 203
Percentage
(* see Note 2)
2.2% 2.4% 2.9% 2.8% 0.5% 0.7% 1.0% 0.9% 1.3% 1.5% 1.9% 1.8%
ARTERIA Networks
Corporation 
MYLINE 0 0 0 0 0 0 0 0 0 0 0 0
MYLINE PLUS 5 5 5 5 1 0 0 0 6 5 6 5
Subtotal 6 5 5 5 1 1 1 0 6 6 6 5
Percentage
(* see Note 2)
0.1% 0.1% 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
NIPPON TELEGRAPH AND
TELEPHONE EAST
CORPORATION
MYLINE 93 48             93 48    
MYLINE PLUS 3,733 3,568             3,733 3,568    
Subtotal 3,826 3,617             3,826 3,617    
Percentage
(* see Note 2)
60.0% 56.6%             29.3% 27.6%    
NIPPON TELEGRAPH AND
TELEPHONE WEST
CORPORATION
MYLINE         118 71     118 71    
MYLINE PLUS         3,739 3,584     3,739 3,584    
Subtotal         3,857 3,654     3,857 3,654    
Percentage
(* see Note 2)
        57.7% 54.5%     29.5% 27.9%    
Total
(* see Note 3)
MYLINE 138 98 110 167 147 104 129 140 285 202 239 307
MYLINE PLUS 6,235 6,289 5,754 5,246 6,537 6,594 6,137 5,740 12,772 12,883 11,891 10,986
Subtotal 6,373 6,387 5,864 5,413 6,685 6,699 6,266 5,880 13,057 13,086 12,129 11,293
Percentage
(* see Note 2)
100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
No. of customers not yet registered 1,408 1,393 1,917 2,368 1,120 1,106 1,539 1,925 2,527 2,499 3,455 4,292
Grand Total 7,780 7,780 7,780 7,780 7,804 7,804 7,804 7,804 15,585 15,585 15,585 15,585
* Note 1: No. of completed registrations of applications received at the MYLINE Center (does not include applications still being processed for registration).
* Note 2: The percentages under Subtotal represent the percentage of registered customers accounted for that telephone company.
* Note 3: Total represents the total number of registered customers.
(Numbers are rounded to the nearest thousand.)