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
217-550	IL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	CHAMPAURBN	CHMPILRAZMD	05/30/2003	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: CHMPILRAZMD))
217-550 is split into 1,000-number blocks - detail below
217-550-0XXX	IL	ONVOY, LLC (Sinch)	0004323028	RMD0001966	224C	CHAMPAURBN	NOCLLIKNOWN	10/02/2025	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-1XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	09/28/2009	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-2XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	09/28/2009	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-3XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	02/24/2011	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-4XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	02/24/2011	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-5XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	02/24/2011	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-6XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	02/24/2011	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-7XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	04/11/2012	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-8XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	04/11/2012	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
217-550-9XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CHAMPAURBN	NOCLLIKNOWN	04/11/2012	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Champaign IL (370) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))