diff --git a/internal/cmd/loadbalancer/create.go b/internal/cmd/loadbalancer/create.go
index 8914edfb..99b8b5ee 100644
--- a/internal/cmd/loadbalancer/create.go
+++ b/internal/cmd/loadbalancer/create.go
@@ -36,7 +36,7 @@ func newCreateCommand(cli *state.State) *cobra.Command {
 	cmd.RegisterFlagCompletionFunc("location", cmpl.SuggestCandidatesF(cli.LocationNames))
 
 	cmd.Flags().String("network-zone", "", "Network Zone")
-	cmd.RegisterFlagCompletionFunc("network-zone", cmpl.SuggestCandidates("eu-central"))
+	cmd.RegisterFlagCompletionFunc("network-zone", cmpl.SuggestCandidatesF(cli.NetworkZoneNames))
 
 	cmd.Flags().StringToString("label", nil, "User-defined labels ('key=value') (can be specified multiple times)")
 
diff --git a/internal/cmd/network/add_subnet.go b/internal/cmd/network/add_subnet.go
index 6eab3108..d02b2714 100644
--- a/internal/cmd/network/add_subnet.go
+++ b/internal/cmd/network/add_subnet.go
@@ -27,7 +27,7 @@ func newAddSubnetCommand(cli *state.State) *cobra.Command {
 	cmd.MarkFlagRequired("type")
 
 	cmd.Flags().String("network-zone", "", "Name of network zone (required)")
-	cmd.RegisterFlagCompletionFunc("network-zone", cmpl.SuggestCandidates("eu-central", "us-east"))
+	cmd.RegisterFlagCompletionFunc("network-zone", cmpl.SuggestCandidatesF(cli.NetworkZoneNames))
 	cmd.MarkFlagRequired("network-zone")
 
 	cmd.Flags().IPNet("ip-range", net.IPNet{}, "Range to allocate IPs from")
diff --git a/internal/hcapi/location.go b/internal/hcapi/location.go
index f76aa973..aab63cdb 100644
--- a/internal/hcapi/location.go
+++ b/internal/hcapi/location.go
@@ -30,3 +30,26 @@ func (c *LocationClient) LocationNames() []string {
 	}
 	return names
 }
+
+// NetworkZoneNames obtains a list of available network zones. It returns nil if
+// network zone names could not be fetched.
+func (c *LocationClient) NetworkZoneNames() []string {
+	locs, err := c.All(context.Background())
+	if err != nil || len(locs) == 0 {
+		return nil
+	}
+	// Use map to get unique elements
+	namesMap := map[hcloud.NetworkZone]bool{}
+	for _, loc := range locs {
+		name := loc.NetworkZone
+		namesMap[name] = true
+	}
+
+	// Unique names from map to slice
+	names := make([]string, len(namesMap))
+	for name := range namesMap {
+		names = append(names, string(name))
+	}
+
+	return names
+}
diff --git a/internal/state/helpers.go b/internal/state/helpers.go
index 6c2e709d..721bac89 100644
--- a/internal/state/helpers.go
+++ b/internal/state/helpers.go
@@ -143,6 +143,14 @@ func (c *State) LocationNames() []string {
 	return c.locationClient.LocationNames()
 }
 
+func (c *State) NetworkZoneNames() []string {
+	if c.locationClient == nil {
+		client := c.Client()
+		c.locationClient = &hcapi.LocationClient{LocationClient: &client.Location}
+	}
+	return c.locationClient.NetworkZoneNames()
+}
+
 func (c *State) DataCenterNames() []string {
 	if c.dataCenterClient == nil {
 		client := c.Client()