🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data
| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 847-252 | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252 is split into 1,000-number blocks - detail below | |||||||||
| 847-252-0XXX | IL | ACCESS ONE, INC. - IL | 0003737640 | RMD0002626 | 5447 | ROSELLE | NOCLLIKNOWN | 06/10/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 847-252-1XXX | IL | LEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc) | N/A | 6115 | ROSELLE | NOCLLIKNOWN | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) | |
| 847-252-2XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | 06/19/2000 | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252-3XXX | IL | TON80 COMMUNICATIONS, LLC | 0025462672 | RMD0005819 | 516J | ROSELLE | NOCLLIKNOWN | 05/18/2021 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 847-252-4XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | N/A | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252-5XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | N/A | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252-6XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | N/A | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252-7XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | N/A | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252-8XXX | IL | ILLINOIS BELL TEL CO (AT&T) | N/A | 9329 | ROSELLE | HFESILWLDS1 | N/A | Prefix Type: RBOC Switch Name: WILLOWCREST DS1 Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: NCHCILNC20T 🔧 Explore Switch(CLLI: HFESILWLDS1)) | |
| 847-252-9XXX | IL | AT&T ENTERPRISES, LLC (AT&T) | 0035146430 | RMD0022433 | 516C | ROSELLE | NOCLLIKNOWN | 03/09/2011 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |