anchor.diff:  268,616,03,63,pt,Portugal,351,Optimus
   268,616,06,111,pt,Portugal,351,TMN
   268,616,01,31,pt,Portugal,351,Vodafone
  +330,816,11,287,pr,Puerto Rico,1787,Puerto Rico Telephone Company Inc. (PRTC)
   330,816,110,272,pr,Puerto Rico,1787,Puerto Rico Telephone Company Inc. (PRTC)
  -330,816,11,287,pr,Puerto Rico,1787,Puerto Rico Telephone Company Inc. (PRTC)
   427,1063,01,31,qa,Qatar,974,Qtel
   427,1063,02,47,qa,Qatar,974,Vodafone
   647,1607,00,15,re,Reunion,262,Orange
  
positive.code: 621,1569,40,1039,ng,Nigeria,234,M-Tel/Nigeria Telecom. Ltd.
  621,1569,30,783,ng,Nigeria,234,MTN
  621,1569,99,2463,ng,Nigeria,234,Starcomms
  621,1569,01,31,ng,Nigeria,234,Visafone
  621,1569,25,607,ng,Nigeria,234,Visafone
  555,1365,01,31,nu,Niue,683,Niue Telecom
  242,578,09,159,no,Norway,47,Com4 AS
  242,578,21,543,no,Norway,47,Jernbaneverket (GSM-R)
  
negative.code: 262,610,17,383,de,Germany,49,E-Plus
  262,610,10,271,de,Germany,49,DB Netz AG
  262,610,n/a,271,de,Germany,49,Debitel
  262,610,77,1919,de,Germany,49,E-Plus
  262,610,03,63,de,Germany,49,E-Plus
  262,610,05,95,de,Germany,49,E-Plus
  262,610,12,303,de,Germany,49,E-Plus
  262,610,14,335,de,Germany,49,Group 3G UMTS
  262,610,43,1087,de,Germany,49,Lycamobile
  262,610,13,319,de,Germany,49,Mobilcom
  262,610,08,143,de,Germany,49,O2
  262,610,11,287,de,Germany,49,O2
  262,610,07,127,de,Germany,49,O2
  262,610,n/a,127,de,Germany,49,Talkline
  262,610,06,111,de,Germany,49,T-mobile/Telekom
  262,610,01,31,de,Germany,49,T-mobile/Telekom
  262,610,16,367,de,Germany,49,Telogic/ViStream
  262,610,09,159,de,Germany,49,Vodafone D2
  262,610,04,79,de,Germany,49,Vodafone D2
  262,610,02,47,de,Germany,49,Vodafone D2
  620,1568,04,79,gh,Ghana,233,Expresso Ghana Ltd
  620,1568,07,127,gh,Ghana,233,GloMobile
  620,1568,03,63,gh,Ghana,233,Milicom/Tigo
  