Numbers with this prefix were first introduced in 1997.While 2153987328 was originally issued with the info above, the owner of the phone number (215) 398-7328 may have transferred it through a process called porting.
Caller name: NPTA
Caller type: Unknown
Called my landline using both numbers. Person called and left a very brief VM asking for my husband, then hung up.
Did further research and believe that this may be the following: