Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-381ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS300/00/0000Prefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-381
312-381-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-381-8ILONVOY, LLC (Sinch)224CCHICGOZN01NOCLLIKNOWN06/21/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-381-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS3N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS3
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info