Interim EAD for no EAD received after 90 days

USCIS EAD FAQ is at http://www.uscis.gov/files/article/2yrEAD_FAQ_061208.pdf

I filed my Form I-765 more than 90 days ago and I have not received a decision. Who should I contact?
If you have not received a decision within 90 days of the USCIS receipt date and you have properly filed your EAD application, you may inquire about an interim EAD at your local USCIS District Office or by calling the USCIS National Customer Service Center at (800) 375-5283 or (800) 767-1833 (TTY). You must have proof of identity and any notices that you have received from USCIS in connection with your application for employment authorization when contacting USCIS.

How will USCIS decide whether to issue an EAD valid for one or two years?
USCIS will decide whether to renew an EAD for either a one or two-year validity period based on the most recent Department of State Visa Bulletin available at
http://travel.state.gov/visa/frvi/bulletin/bulletin_1360.html.
If an applicant’s visa number has retrogressed and is unavailable, USCIS may issue a renewal EAD valid for two years. USCIS will continue to issue the EAD in one-year increments when the Department of State Visa Bulletin shows an employment-based preference category is current as a whole or the applicant’s priority date is current.