TelcoData.US: Search by Area Code / Exchange

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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
618-310	IL	LEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)	0015338122	RMD0006112	6115	BELLEVILLE	BLVLILAJ3MD	02/04/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: BLVLILAJ3MD))
618-310 is split into 1,000-number blocks - detail below
618-310-0XXX	IL	LEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)	0015338122	RMD0006112	6115	BELLEVILLE	BLVLILAJ3MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: BLVLILAJ3MD))
618-310-1XXX	IL	PAETEC ITEL, LLC	0015247810	RMD0038378	829J	BELLEVILLE	STLSMOGZDS0	09/16/2002	Prefix Type: IPES Switch Name: ST LOUIS Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLSMOGZDS0))
618-310-2XXX	IL	PAETEC ITEL, LLC	0015247810	RMD0038378	829J	BELLEVILLE	STLSMOGZDS0	01/13/2006	Prefix Type: IPES Switch Name: ST LOUIS Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLSMOGZDS0))
618-310-3XXX	IL	LEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)	0015338122	RMD0006112	6115	BELLEVILLE	BLVLILAJ3MD	08/15/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: BLVLILAJ3MD))
618-310-4XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BELLEVILLE	STLVMOOH6MD	06/03/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLVMOOH6MD))
618-310-5XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BELLEVILLE	STLVMOOH6MD	12/29/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLVMOOH6MD))
618-310-6XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BELLEVILLE	STLVMOOH6MD	02/13/2009	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLVMOOH6MD))
618-310-7XXX	IL	TELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)	0004274114	RMD0003897	7136	BELLEVILLE	NOCLLIKNOWN	06/12/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
618-310-8XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BELLEVILLE	STLVMOOH6MD	03/17/2009	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLVMOOH6MD))
618-310-9XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BELLEVILLE	STLVMOOH6MD	03/17/2009	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: St.Louis MO (520) Tandem: N/A 🔧 Explore Switch(CLLI: STLVMOOH6MD))