diff --git a/lib/prefixes/index.js b/lib/prefixes/index.js
index e0fe34f..0934e08 100644
--- a/lib/prefixes/index.js
+++ b/lib/prefixes/index.js
@@ -1,10 +1,12 @@
 'use strict';
 
+const TTL_SECS = 30;
+
 const coreapi = require('komodo-sdk/coreapi');
 const NodeCache = require( "node-cache" );
 
 const cache = new NodeCache({
-    stdTTL: 60,    
+    stdTTL: TTL_SECS,    
 });
 
 async function lookup(number) {