有兩處不懂，請指教

If the service center is within processing time for your particular application or petition, USCIC can not provide an update an update on your case. If the service center is outside of processing time for your particular application or petition, please call customer service at 1-800-3755283 to request update.
處理時間，已經超過我的時間，我是否要打電話？


Please read the following information if you ted a premium processing application or petition:
please contact the premium processing phone number at 1-866-....
for inquiries. The 15-day premium processing clock does not start until correct office receives the application or petition.
這個485有premium processing ??