diff --git a/src/geonames.c b/src/geonames.c
index bf24fb89..0b484828 100644
--- a/src/geonames.c
+++ b/src/geonames.c
@@ -220,6 +220,10 @@ bool geoname_deserialize_ctx(geoname_t *self, cmp_ctx_t *ctx) {
         return false;
     }
 
+    if (!cmp_read_uint(ctx, &self->country_geonames_id, &len)) {
+        return false;
+    }
+
     if (!cmp_read_str_size_or_nil(ctx, &self->admin1_code, &len)) {
         return false;
     }
@@ -280,6 +284,7 @@ bool geoname_serialize_ctx(geoname_t *self, cmp_ctx_t *ctx) {
         !cmp_write_double(ctx, self->longitude) ||
         !cmp_write_str_or_nil(ctx, self->feature_code) ||
         !cmp_write_str_or_nil(ctx, self->country_code) ||
+        !cmp_write_uint(ctx, self->country_geonames_id) ||
         !cmp_write_str_or_nil(ctx, self->admin1_code) ||
         !cmp_write_uint(ctx, self->admin1_geonames_id) ||
         !cmp_write_str_or_nil(ctx, self->admin2_code) ||
@@ -317,6 +322,7 @@ void geoname_print(geoname_t *self) {
     printf("longitude: %f\n", self->longitude);
     printf("feature_code: %s\n", char_array_get_string(self->feature_code));
     printf("country_code: %s\n", char_array_get_string(self->country_code));
+    printf("country_geonames_id: %d\n", self->country_geonames_id);
     printf("admin1_code: %s\n", char_array_get_string(self->admin1_code));
     printf("admin1_geonames_id: %d\n", self->admin1_geonames_id);
     printf("admin2_code: %s\n", char_array_get_string(self->admin2_code));
@@ -391,6 +397,10 @@ bool gn_postal_code_deserialize_ctx(gn_postal_code_t *self, cmp_ctx_t *ctx) {
         return false;
     }
 
+    if (!cmp_read_uint(ctx, &self->country_geonames_id, &len)) {
+        return false;
+    }
+
     if (!cmp_read_bool(ctx, &self->have_containing_geoname)) {
         return false;
     }
@@ -462,6 +472,7 @@ static bool gn_postal_code_serialize_ctx(gn_postal_code_t *self, cmp_ctx_t *ctx)
 
     if (!cmp_write_str_or_nil(ctx, self->postal_code) ||
         !cmp_write_str_or_nil(ctx, self->country_code) ||
+        !cmp_write_uint(ctx, self->country_geonames_id) ||
         !cmp_write_bool(ctx, self->have_containing_geoname) ||
         (self->have_containing_geoname &&
             (!cmp_write_str_or_nil(ctx, self->containing_geoname) ||
diff --git a/src/geonames.h b/src/geonames.h
index f3836445..c5e572e2 100644
--- a/src/geonames.h
+++ b/src/geonames.h
@@ -48,6 +48,7 @@ typedef struct geoname {
     double longitude;
     char_array *feature_code;
     char_array *country_code;
+    uint32_t country_geonames_id;
     char_array *admin1_code;
     uint32_t admin1_geonames_id;
     char_array *admin2_code;
@@ -73,6 +74,7 @@ void geoname_destroy(geoname_t *self);
 typedef struct gn_postal_code {
     char_array *postal_code;
     char_array *country_code;
+    uint32_t country_geonames_id;
     bool have_lat_lon;
     double latitude;
     double longitude;
@@ -114,4 +116,4 @@ bool geonames_generic_deserialize(gn_type *type, geoname_t *geoname, gn_postal_c
 }
 #endif
 
-#endif
\ No newline at end of file
+#endif