npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
610-640 | PA | VERIZON PENNSYLVANIA, INC. (Verizon Communications) | 9208 | PHPHSBZN28 | PAOLPAPADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: PHSZ 28 Switch Type: Northern Telecom DMS100 (Digital) Host LATA: N/A Tandem: N/A Detailed Switch Info |