A
+23 Alto Demerara-Berbice
+23
+32 Alto Takutu-Alto Essequibo
+32
B
+27 Barima-Waini
+27
+31 Berbice Oriental-Corentyne
+31
C
+23 Cuyuni-Mazaruni
+23
D
+31 Demerara-Mahaica
+31
G
+29 Georgetown
+29
I
+29 Ilhas Essequibo-Demerara Ocidental
+29