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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 906-482 | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | 00/00/0000 | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483 | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | 00/00/0000 | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483 is split into 1,000-number blocks - detail below | |||||||||
| 906-483-0XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-1XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-2XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-3XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-4XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-5XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-6XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-7XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-483-8XXX | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | N/A | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) | |
| 906-487 | MI | MICHIGAN BELL TEL CO (AT&T) | N/A | 9323 | HOUGHTON | HNCCMIMNRPA | 00/00/0000 | Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA)) |