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
720-334	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	05/14/2001	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334 is split into 1,000-number blocks - detail below
720-334-0XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-1XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-2XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-3XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-4XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-5XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-6XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-334-7XXX	CO	BANDWIDTH.COM CLEC, LLC - CO	0017042060	RMD0003709	078F	DENVER	NOCLLIKNOWN	10/24/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
720-334-8XXX	CO	BANDWIDTH.COM CLEC, LLC - CO	0017042060	RMD0003709	078F	DENVER	NOCLLIKNOWN	10/24/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
720-334-9XXX	CO	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DENVER	DNVRCOII4MD	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII4MD))