Thanks Linda! This may be useful for adding the ISO country codes per region:
Zone 1
GB
GB - United Kingdom
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Zone 2 - Europe
AD,AL,AT,BE,BA,BG,BO,HR,CY,CZ,DK,EE,FI,FR,DE,GR,HU,IS,IE,IT,LV,LI,LT,LU,MK,MT,MD,MC,NL,NO,PL,PT,RO,RU,SM,CS,SK,SI,ES,SE,CH,UA,VA,
AD - Andorra
AL - Albania
AT - Austria
BE - Belgium
BA - Bosnia and Herzegovina
BG - Bulgaria
BO - Bolivia
HR - Croatia
CY - Cyprus
CZ - Czech Republic
DK - Denmark
EE - Estonia
FI - Finland
FR - France
DE - Germany
GR - Greece
HU - Hungary
IS - Iceland
IE - Ireland
IT - Italy
LV - Latvia
LI - Liechtenstein
LT - Lithuania
LU - Luxembourg
MK - Macedonia, the Former Yugoslav Republic of
MT - Malta
MD - Moldova, Republic of
MC - Monaco
NL - Netherlands
NO - Norway
PL - Poland
PT - Portugal
RO - Romania
RU - Russian Federation
SM - San Marino
CS - Serbia and Montenegro
SK - Slovakia
SI - Slovenia
ES - Spain
SE - Sweden
CH - Switzerland
UA - Ukraine
VA - Holy See (Vatican City State)
********************************************************************************
Zone 3 - Rest Of The World
AE,AF,AG,AI,AM,AN,AO,AQ,AR,AS,AU,AW,AZ,BB,BD,BF,BH,BI,BJ,BM,BN,BR,BS,BT,BV,BW,BY,BZ,CA,CC,CD,CF,CG,CI,CK,CL,CM,CN,CO,CR,CU,CV,CX,DJ,DM,DO,DZ,EC,EG,EH,ER,ET,FJ,FK,FM,FO,GA,GD,GE,GF,GH,GI,GL,GM,GN,GP,GQ,GS,GT,GU,GW,GY,HK,HM,HN,HT,ID,IL,IN,IO,IQ,IR,JM,JO,JP,KE,KG,KH,KI,KM,KN,KP,KR,KW,KY,KZ,LA,LB,LC,LK,LR,LS,LY,MA,MG,MH,ML,MM,MN,MO,MP,MQ,MR,MS,MU,MV,MW,MX,MY,MZ,NA,NC,NE,NF,NG,NI,NP,NR,NU,NZ,OM,PA,PE,PF,PG,PH,PK,PM,PN,PR,PS,PW,PY,QA,RE,RW,SA,SB,SC,SD,SG,SH,SJ,SL,SN,SO,SR,ST,SV,SY,SZ,TC,TD,TF,TG,TH,TJ,TK,TL,TM,TN,TO,TR,TT,TV,TW,TZ,UG,UM,US,UY,UZ,VC,VE,VG,VI,VN,VU,WF,WS,YE,YT,ZA,ZM,ZW
AE - United Arab Emirates
AF - Afghanistan
AG - Antigua and Barbuda
AI - Anguilla
AM - Armenia
AN - Netherlands Antilles
AO - Angola
AQ - Antarctica
AR - Argentina
AS - American Samoa
AU - Australia
AW - Aruba
AZ - Azerbaijan
BB - Barbados
BD - Bangladesh
BF - Burkina Faso
BH - Bahrain
BI - Burundi
BJ - Benin
BM - Bermuda
BN - Brunei Darussalam
BR - Brazil
BS - Bahamas
BT - Bhutan
BV - Bouvet Island
BW - Botswana
BY - Belarus
BZ - Belize
CA - Canada
CC - Cocos (Keeling) Islands
CD - Congo, the Democratic Republic of the
CF - Central African Republic
CG - Congo
CI - Cote D'Ivoire
CK - Cook Islands
CL - Chile
CM - Cameroon
CN - China
CO - Colombia
CR - Costa Rica
CU - Cuba
CV - Cape Verde
CX - Christmas Island
DJ - Djibouti
DM - Dominica
DO - Dominican Republic
DZ - Algeria
EC - Ecuador
EG - Egypt
EH - Western Sahara
ER - Eritrea
ET - Ethiopia
FJ - Fiji
FK - Falkland Islands (Malvinas)
FM - Micronesia, Federated States of
FO - Faroe Islands
GA - Gabon
GD - Grenada
GE - Georgia
GF - French Guiana
GH - Ghana
GI - Gibraltar
GL - Greenland
GM - Gambia
GN - Guinea
GP - Guadeloupe
GQ - Equatorial Guinea
GS - South Georgia and the South Sandwich Islands
GT - Guatemala
GU - Guam
GW - Guinea-Bissau
GY - Guyana
HK - Hong Kong
HM - Heard Island and Mcdonald Islands
HN - Honduras
HT - Haiti
ID - Indonesia
IL - Israel
IN - India
IO - British Indian Ocean Territory
IQ - Iraq
IR - Iran, Islamic Republic of
JM - Jamaica
JO - Jordan
JP - Japan
KE - Kenya
KG - Kyrgyzstan
KH - Cambodia
KI - Kiribati
KM - Comoros
KN - Saint Kitts and Nevis
KP - Korea, Democratic People's Republic of
KR - Korea, Republic of
KW - Kuwait
KY - Cayman Islands
KZ - Kazakhstan
LA - Lao People's Democratic Republic
LB - Lebanon
LC - Saint Lucia
LK - Sri Lanka
LR - Liberia
LS - Lesotho
LY - Libyan Arab Jamahiriya
MA - Morocco
MG - Madagascar
MH - Marshall Islands
ML - Mali
MM - Myanmar
MN - Mongolia
MO - Macao
MP - Northern Mariana Islands
MQ - Martinique
MR - Mauritania
MS - Montserrat
MU - Mauritius
MV - Maldives
MW - Malawi
MX - Mexico
MY - Malaysia
MZ - Mozambique
NA - Namibia
NC - New Caledonia
NE - Niger
NF - Norfolk Island
NG - Nigeria
NI - Nicaragua
NP - Nepal
NR - Nauru
NU - Niue
NZ - New Zealand
OM - Oman
PA - Panama
PE - Peru
PF - French Polynesia
PG - Papua New Guinea
PH - Philippines
PK - Pakistan
PM - Saint Pierre and Miquelon
PN - Pitcairn
PR - Puerto Rico
PS - Palestinian Territory, Occupied
PW - Palau
PY - Paraguay
QA - Qatar
RE - Reunion
RW - Rwanda
SA - Saudi Arabia
SB - Solomon Islands
SC - Seychelles
SD - Sudan
SG - Singapore
SH - Saint Helena
SJ - Svalbard and Jan Mayen
SL - Sierra Leone
SN - Senegal
SO - Somalia
SR - Suriname
ST - Sao Tome and Principe
SV - El Salvador
SY - Syrian Arab Republic
SZ - Swaziland
TC - Turks and Caicos Islands
TD - Chad
TF - French Southern Territories
TG - Togo
TH - Thailand
TJ - Tajikistan
TK - Tokelau
TL - Timor-Leste
TM - Turkmenistan
TN - Tunisia
TO - Tonga
TR - Turkey
TT - Trinidad and Tobago
TV - Tuvalu
TW - Taiwan, Province of China
TZ - Tanzania, United Republic of
UG - Uganda
UM - United States Minor Outlying Islands
US - United States
UY - Uruguay
UZ - Uzbekistan
VC - Saint Vincent and the Grenadines
VE - Venezuela
VG - Virgin Islands, British
VI - Virgin Islands, U.s.
VN - Viet Nam
VU - Vanuatu
WF - Wallis and Futuna
WS - Samoa
YE - Yemen
YT - Mayotte
ZA - South Africa
ZM - Zambia
ZW - Zimbabwe
