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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-931ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS400/00/0000Prefix Type: RBOC
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-931
312-931-0ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD12/23/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-931-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS4N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-931-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS4N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-931-3ILONVOY SPECTRUM, LLC (Inteliquent)624HCHICGOZN01CHCGILFRDS412/08/2021Prefix Type: WIRELESS
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-931-4ILXO ILLINOIS, INC. (Verizon Communications)7056CHICGOZN01CHCGILTCDS412/22/2010Prefix Type: CLEC
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-931-5ILCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL (Verizon Wireless)6333CHICGOZN01RVDLILBDAMD07/29/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-931-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS4N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-931-7ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD12/23/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-931-8ILVONAGE AMERICA LLC197DCHICGOZN01CHCGILFRDS403/13/2024Prefix Type: IPES
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-931-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILFRDS4N/APrefix Type: RBOC
Switch Name: CHCG FRANKLIN DS4
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
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