Number of MYLINE Customers
As of end March 2023
 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 3 50 79 1 2 77 68 3 5 127 147
MYLINE PLUS 1,554 1,620 4,205 3,753 1,804 1,858 4,450 4,111 3,358 3,478 8,655 7,864
Subtotal 1,556 1,623 4,255 3,833 1,805 1,860 4,527 4,179 3,361 3,483 8,782 8,011
Percentage
(* see Note 2)
28.4% 29.6% 84.4% 82.4% 32.2% 33.1% 86.1% 84.8% 30.3% 31.4% 85.3% 83.6%
KDDI CORPORATION MYLINE 10 10 14 29 10 10 12 25 20 20 26 54
MYLINE PLUS 284 348 392 416 320 384 423 437 604 732 815 853
Subtotal 294 358 406 445 330 394 435 462 623 752 842 908
Percentage
(* see Note 2)
5.4% 6.5% 8.1% 9.6% 5.9% 7.0% 8.3% 9.4% 5.6% 6.8% 8.2% 9.5%
SoftBank Corp. MYLINE 14 15 16 22 12 12 15 19 26 27 31 41
MYLINE PLUS 160 204 221 226 168 215 229 227 328 420 450 452
Subtotal 174 219 237 248 180 228 243 246 354 446 480 493
Percentage
(* see Note 2)
3.2% 4.0% 4.7% 5.3% 3.2% 4.1% 4.6% 5.0% 3.2% 4.0% 4.7% 5.1%
Rakuten Mobile, Inc. MYLINE 10 13 15 12 0 3 5 3 11 16 19 15
MYLINE PLUS 103 111 122 111 28 38 46 41 132 149 168 152
Subtotal 114 124 137 122 29 41 51 44 142 165 187 166
Percentage
(* see Note 2)
2.1% 2.3% 2.7% 2.6% 0.5% 0.7% 1.0% 0.9% 1.3% 1.5% 1.8% 1.7%
ARTERIA Networks
Corporation 
MYLINE 0 0 0 0 0 0 0 0 0 0 0 0
MYLINE PLUS 4 4 4 4 0 0 0 0 5 5 5 4
Subtotal 5 4 4 4 0 0 0 0 5 5 5 4
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 80 42             80 42    
MYLINE PLUS 3,258 3,122             3,258 3,122    
Subtotal 3,338 3,164             3,338 3,164    
Percentage
(* see Note 2)
60.9% 57.6%             30.1% 28.5%    
NIPPON TELEGRAPH AND
TELEPHONE WEST
CORPORATION
MYLINE         98 59     98 59    
MYLINE PLUS         3,164 3,035     3,164 3,035    
Subtotal         3,262 3,094     3,262 3,094    
Percentage
(* see Note 2)
        58.2% 55.1%     29.4% 27.9%    
Total
(* see Note 3)
MYLINE 117 83 95 142 121 86 108 115 237 168 203 257
MYLINE PLUS 5,363 5,409 4,945 4,510 5,485 5,531 5,148 4,816 10,849 10,940 10,093 9,325
Subtotal 5,480 5,492 5,040 4,652 5,606 5,617 5,256 4,931 11,086 11,109 10,296 9,583
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 1,238 1,226 1,678 2,066 974 963 1,324 1,649 2,212 2,189 3,002 3,715
Grand Total 6,718 6,718 6,718 6,718 6,580 6,580 6,580 6,580 13,298 13,298 13,298 13,298
* 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.)