Same...no message keeps calling?

Got a call from this number this morning. No message either!

received a call at 1:10pm cst, no message.

when i call the number back, i get an automated message. "the person on the extension 5519 is on the phone, please leave a message..."

The telco info is as follows:
Rate Center: SNFC CNTRL, (San Fransisco County)
Telco: TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
LATA: 722
Map of area serving this LATA:
http://www.latamaps.com/Telecom_Maps/Regional ... _-_Maponics.pdf

The following named telephone switches are inside the SNFC CNTRL rate center:

   * Concord
   * Fremont
   * Long Beach
   * Oakland
   * Redwood City
   * San Francisco
   * San Francisco (3rd Ave.)
   * San Francisco (Folsom St) T
   * San Francisco (Mccoppin)
   * San Francisco (Pine)
   * San Francisco (Stiener)