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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 847-473 | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473 is split into 1,000-number blocks - detail below | |||||||||
| 847-473-0XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-1XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-2XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-3XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-4XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-5XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-6XXX | IL | COMCAST IP PHONE, LLC (Comcast) | 0008497687 | RMD0003552 | 318J | WAUKEGAN | CHCGILNEXJX | 11/10/2016 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILNEXJX)) |
| 847-473-7XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-8XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) | |
| 847-473-9XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | WAUKEGAN | NCHCILNCDS0 | N/A | Prefix Type: RBOC Switch Name: NORTH CHICAGO DS0 Switch Type: DMS100 LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T 🔧 Explore Switch(CLLI: NCHCILNCDS0)) |