My Bell System tour of duty (so far) has been:

AT&T Piscataway, NJ (PY)
Bell Labs Holmdel, NJ (HO)
AT&T Technologies Lincroft, NJ (LZ)
Bell Labs Murray Hill, NJ (MH)
Telcordia Technologies Piscataway, NJ (BC)
iconectiv Bridgewater, NJ (BC)