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
720-687	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/19/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-687 is split into 1,000-number blocks - detail below
720-687-0XXX	CO	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DENVER	DNVRCOII4MD	12/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII4MD))
720-687-1XXX	CO	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DENVER	DNVRCOII4MD	12/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII4MD))
720-687-2XXX	CO	LEVEL 3 COMMUNICATIONS, LLC - CO (Lumen Technologies, Inc)	0015338122	RMD0006112	6118	DENVER	NOCLLIKNOWN	12/04/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
720-687-3XXX	CO	PEERLESS NETWORK OF COLORADO, LLC - CO		N/A	278F	DENVER	NOCLLIKNOWN	11/29/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
720-687-4XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-687-5XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-687-6XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-687-7XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-687-8XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))
720-687-9XXX	CO	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	DENVER	DNVRCOII3MD	11/20/2019	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOII3MD))