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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-631ILCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JCHICGOZN01CHCGILDT8MD01/11/2013Prefix Type: IPES
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
Thousands block for 312-631
312-631-0ILONVOY, LLC (Sinch)224CCHICGOZN01NOCLLIKNOWN04/25/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-1ILONVOY, LLC (Sinch)224CCHICGOZN01NOCLLIKNOWN04/25/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-2ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136CHICGOZN01NOCLLIKNOWN06/07/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-3ILAT&T CORP. (AT&T)516CCHICGOZN01NOCLLIKNOWN06/21/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-4ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD04/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-5ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD04/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-6ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD04/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-7ILCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JCHICGOZN01CHCGILDT8MD04/05/2013Prefix Type: IPES
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-8ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD04/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-631-9ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD04/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info