I recently contacted Section XII (Congressional and Customer Relations Division) at the CSC. They answered my faxed question and sent me a pamphlet that outlines how to escalate to the CSC.
Here is a synopsis of the pamphlet
Contacting the CSC
If you have visited the USCIS/BCIS Website and called the National Customer Service Center (1-800- 375-5283) and still have questions about a case pending in the California Service Center, follow these steps to make a inquiry :
STEP 1 - send a one page fax to the number below that corresponds to the form type you submitted
949/389 3055 I-140, I-485, I-360, I-526, I-131
949/389 3197 I-129, I-539, I-102
949/389 3482 I-130, I-751, I-129F
949/389 3484 I-765, I-821, I-817, N-400
949/389 3483 Legalization
949/389 3485 I-90, I-824, I-881, Waivers
STEP 2 - If you do not receive a response within 21 days, you may contact the CSC Customer Service Division for assistance. Please send a fax to the number that corresponds to the form type you submitted. Include the original fax you sent to the number above
949/389 3486 I-140, I-485, I-360, I-526, I-131
949/389 3402 I-129, I-539, I-102
949/389 3219 I-130, I-751, I-129F
949/389 3198 I-765, I-821, I-817, N-400
949/389 3483 Legalization
949/389 3690 I-90, I-824, I-881, Waivers
949/389 8691 I-551 (Green Card) Issues
REMEMBER
When making a fax inquiry include :
Your name and date of birth as shown on the application or petition
Your receipt number (WAC number) and "A" number, if available
A phone number, e-mail, fax number or street address where you can be contacted for further information.
End of synopsis.
I know most of us have struggled with how to contact the CSC if we haven't got a satisfactory answer from the NCSC - so I hope the above information helps. Good luck.
Londoner
WAC 02 059 5XXXX (recently approved, waiting for plastic card)
Here is a synopsis of the pamphlet
Contacting the CSC
If you have visited the USCIS/BCIS Website and called the National Customer Service Center (1-800- 375-5283) and still have questions about a case pending in the California Service Center, follow these steps to make a inquiry :
STEP 1 - send a one page fax to the number below that corresponds to the form type you submitted
949/389 3055 I-140, I-485, I-360, I-526, I-131
949/389 3197 I-129, I-539, I-102
949/389 3482 I-130, I-751, I-129F
949/389 3484 I-765, I-821, I-817, N-400
949/389 3483 Legalization
949/389 3485 I-90, I-824, I-881, Waivers
STEP 2 - If you do not receive a response within 21 days, you may contact the CSC Customer Service Division for assistance. Please send a fax to the number that corresponds to the form type you submitted. Include the original fax you sent to the number above
949/389 3486 I-140, I-485, I-360, I-526, I-131
949/389 3402 I-129, I-539, I-102
949/389 3219 I-130, I-751, I-129F
949/389 3198 I-765, I-821, I-817, N-400
949/389 3483 Legalization
949/389 3690 I-90, I-824, I-881, Waivers
949/389 8691 I-551 (Green Card) Issues
REMEMBER
When making a fax inquiry include :
Your name and date of birth as shown on the application or petition
Your receipt number (WAC number) and "A" number, if available
A phone number, e-mail, fax number or street address where you can be contacted for further information.
End of synopsis.
I know most of us have struggled with how to contact the CSC if we haven't got a satisfactory answer from the NCSC - so I hope the above information helps. Good luck.
Londoner
WAC 02 059 5XXXX (recently approved, waiting for plastic card)