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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 618-436 | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-436 is split into 1,000-number blocks - detail below | |||||||||
| 618-436-5XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-436-6XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-436-7XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-436-8XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-532 | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-533 | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-545 | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-545 is split into 1,000-number blocks - detail below | |||||||||
| 618-545-0XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-545-1XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-545-3XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) | |
| 618-545-6XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | CENTRALIA | CENLILCEDS0 | N/A | Prefix Type: RBOC Switch Name: CENTRALIA DS0 Switch Type: DMS1/2 LATA: St.Louis MO (520) Tandem: CENLILCE51T 🔧 Explore Switch(CLLI: CENLILCEDS0)) |