anchor.diff:  520,1312,01,31,th,Thailand,66,AIS/Advanced Info Service
   520,1312,23,575,th,Thailand,66,Digital Phone Co.
   520,1312,00,15,th,Thailand,66,Hutch/CAT CDMA
  +520,1312,18,399,th,Thailand,66,Total Access (DTAC)
   520,1312,05,95,th,Thailand,66,Total Access (DTAC)
  -520,1312,18,399,th,Thailand,66,Total Access (DTAC)
  +520,1312,04,79,th,Thailand,66,True Move/Orange
   520,1312,99,2463,th,Thailand,66,True Move/Orange
  -520,1312,04,79,th,Thailand,66,True Move/Orange
   514,1300,01,31,tp,Timor-Leste,670,Telin/ Telkomcel
   514,1300,02,47,tp,Timor-Leste,670,Timor Telecom
   615,1557,02,47,tg,Togo,228,Telecel/MOOV
  
positive.code: 525,1317,02,47,sg,Singapore,65,Singtel
  525,1317,01,31,sg,Singapore,65,Singtel
  525,1317,07,127,sg,Singapore,65,Singtel
  525,1317,05,95,sg,Singapore,65,Starhub
  525,1317,06,111,sg,Singapore,65,Starhub
  231,561,06,111,sk,Slovakia,421,O2
  231,561,01,31,sk,Slovakia,421,Orange
  231,561,05,95,sk,Slovakia,421,Orange
  231,561,15,351,sk,Slovakia,421,Orange
  231,561,04,79,sk,Slovakia,421,T-Mobile
  231,561,02,47,sk,Slovakia,421,T-Mobile
  231,561,99,2463,sk,Slovakia,421,Zeleznice Slovenskej republiky (ZSR)
  293,659,41,1055,si,Slovenia,386,Mobitel
  293,659,40,1039,si,Slovenia,386,SI.Mobil
  
negative.code: 244,580,12,303,fi,Finland,358,DNA/Finnet
  244,580,04,79,fi,Finland,358,DNA/Finnet
  244,580,13,319,fi,Finland,358,DNA/Finnet
  244,580,05,95,fi,Finland,358,Elisa/Saunalahti
  244,580,21,543,fi,Finland,358,Elisa/Saunalahti
  244,580,82,2095,fi,Finland,358,ID-Mobile
  244,580,11,287,fi,Finland,358,Mundio Mobile (Finland) Ltd
  244,580,09,159,fi,Finland,358,Nokia Oyj
  