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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 847-887 | 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)) | |
| 847-887 is split into 1,000-number blocks - detail below | |||||||||
| 847-887-0XXX | 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)) | |
| 847-887-1XXX | 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)) | |
| 847-887-2XXX | 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)) | |
| 847-887-3XXX | 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)) | |
| 847-887-4XXX | 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)) | |
| 847-887-5XXX | 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)) | |
| 847-887-6XXX | 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)) | |
| 847-887-7XXX | 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)) | |
| 847-887-8XXX | 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)) | |
| 847-887-9XXX | IL | METROPCS, INC. (T-Mobile US, Inc) | N/A | 5562 | WAUKEGAN | CHCGILMF5MD | 02/14/2006 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF5MD)) |