A
+23 Alto Demerara-Berbice
+23
+33 Alto Takutu-Alto Essequibo
+33
B
+30 Barima-Waini
+30
+30 Berbice Oriental-Corentyne
+30
C
+23 Cuyuni-Mazaruni
+23
D
+30 Demerara-Mahaica
+30
G
+28 Georgetown
+28
I
+28 Ilhas Essequibo-Demerara Ocidental
+28