Ten provinces with least main telephone lines: 2009 - 2011
 2009  
RankProvincesMain tel. station%
1Nong Bua Lam Phu10,5880.15
2Mae Hong Son10,9520.16
3Amnat Charoen11,4780.17
4Mukdahan14,2440.21
5Satun14,7180.21
6Ranong16,0070.23
7Uthai Thani16,5670.24
8Trat16,9630.25
9Yasothon17,0630.25
10Sa Kaeo17,9860.26
 Whole Kingdom6,879,725100
 2010  
RankProvincesMain tel. station%
1Nong Bua Lam Phu10,1190.15
2Mae Hong Son10,5230.16
3Amnat Charoen11,3440.17
4Mukdahan13,8640.21
5Uthai Thani15,5730.23
6Ranong15,6480.24
7Trat15,9920.24
8Phatthalung16,0400.24
9Yasothon16,5900.25
10Sa Kaeo17,5050.26
 Whole Kingdom6,657,000100
 2011  
RankProvincesMain tel. station%
1Bueng Kan4,7080.07
2Nong Bua Lam Phu8,7070.14
3Mae Hong Son9,6260.15
4Mukdahan12,4740.19
5Yasothon13,7680.21
6Phatthalung14,5410.23
7Ranong14,6770.23
8Uthai Thani14,7080.23
9Trat15,1410.24
10Nakhon Nayok16,1530.25
 Whole Kingdom6,437,428100
Souce :  Telephone Organization of Thailand, Ministry of Communications
Compiled by : Statistical Forecasting Bureau,  National Statistical Office