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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 570-392 | PA | CHOICE ONE COMMUNICATIONS, INC. - PA (Windstream Holdings) | 4024 | WYOMING | WLBRPA05DS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 570-609 | PA | ONVOY, LLC - PA (Sinch) | 547E | WYOMING | SCTNPASCXFY | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 570-613 | PA | CTSI, INC. - PA | 7513 | WYOMING | PLNSPAARDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: PLAINS Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 570-693 | PA | VERIZON PENNSYLVANIA, INC. (Verizon Communications) | 9208 | WYOMING | WYNGPAWYRS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WYOMING Switch Type: Northern Telecom Remote Switching Center LATA: N/A Tandem: N/A Detailed Switch Info |
| 570-694 | PA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WYOMING | BMBGPABLXQX | 00/00/0000 | Prefix Type: CLEC Switch Name: BLOOMSBURG Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |
| 570-697 | PA | LEVEL 3 COMMUNICATIONS, LLC - PA (Lumen Technologies, Inc) | 4007 | WYOMING | SCTNPASCX4Y | 00/00/0000 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |