PUBLIC NOTICE
Federal Communications Commission
445 12th Street, S.W.
Washington, D.C. 20554
News Media Information 202 / 418-0500
Internet:  http://www.fcc.gov
TTY 1-888-835-5322
WIRELINE COMPETITION BUREAU NETWORK CHANGE NOTIFICATION
FILED BY AT&T SOUTHWEST
Report No. NCD-1766 December 10, 2009
Re: NETWORK CHANGE CERTIFICATION RECEIVED
AT&T Southwest, an incumbent local exchange carrier (LEC), has filed certification that public notice of 
network change(s) has been provided through its publicly accessible Internet site as required by section 
51.329(a) of the rules of the Federal Communications Commission (FCC).  See 47 C.F.R. § 51.329(a).  
Upon initial review the filing appears to be complete.  See 47 C.F.R. §§ 51.325 through 51.335.  Specific 
network change information can be obtained on the Internet at: http://www.att.com/gen/public-
affairs?pid=3137
The incumbent LEC's certification(s) refer(s) to the change(s) identified below:
Number Type of Change(s) Planned Location of Change(s)
ATT20090515L.1 
rev1
AT&T will be consolidating twenty two pairs of Signal 
Transfer Points (STPs) in the South West Region.  
Carriers who connect with AT&T in the South West 
LATAs, 550, 546, 540, 544, 542, 556, 566, 568, 564, 
548, 552, 560, 562, 528, 530, 526, 534, 538, 532, 536, 
520, and 522 using A and B Links will need to move 
their links according to the table.  Prior to the issuance 
of ASRs, AT&T will provide a new CLLI code or 
Facilities Signaling Point of Interconnection (FSPOI) 
within the same LATA in which the Carrier presently 
connects.  AT&T will transport the SS7 links from the 
FSPOI to the new STP location.
Texas & Missouri
The network change(s) identified herein shall not be implemented within six months of the date it was 
filed with the Commission.  See 47 C.F.R. § 51.331.
Incumbent LEC contact:
Linda S. Vandeloop
Director – Federal Regulatory
AT&T Services Inc.
1120 20th Street, N.W.
Suite 1000
Washington, D.C. 20036      Phone: (202) 457-3033
The original filing is available for inspection and copying at the FCC Public Reference Room, Portals II, 
445 12th Street, S.W., Suite CY-A257, Washington, D.C. 20554.
For further information, contact Carmell Weathers, (202) 418-2325 (voice), or 
carmell.weathers@fcc.gov (email), of the Competition Policy Division, Wireline Competition Bureau.  
The tty number is (202) 418-0484.
-FCC-