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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
810-385 | MI | MICHIGAN BELL TEL CO (AT&T) | 9323 | PORT HURON | PTHRMINRRSA | 00/00/0000 | Prefix Type: RBOC Switch Name: PORT HURON NR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T Detailed Switch Info |