I-140 Appr. & Texas Fax Number

Hi,

Anyone would please tell me the fax number for Texas Service Center.I need it to supply material for my AP processing. Thank you so much.
This is the address shown on my I-131 receipt notice.
TEXAS SERVICE CENTER
P O BOX 851488 DEPT A
MESQUITE TX 75185-1488

I tried to call 800 number, but it is difficult to go through.

By the way, my I-140 was approved on March, 2005.
E1(B), OR, Not Fill Concurrently
Filled Jan, 2005. It only takes 50 days. I can not believe it.