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
414-554	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/03/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554 is split into 1,000-number blocks - detail below
414-554-0XXX	WI	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILWAUKZN1	PEWTWICI1MD	02/03/2015	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: PEWTWICI1MD))
414-554-1XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-2XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-3XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-4XXX	WI	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	MILWAUKZN1	PEWTWICI4MD	12/09/2014	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: PEWTWICI4MD))
414-554-5XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-6XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-7XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-8XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))
414-554-9XXX	WI	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	MILWAUKZN1	MILXWIJIGT0	12/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A 🔧 Explore Switch(CLLI: MILXWIJIGT0))