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
520-223	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)	0015338122	RMD0006112	3285	NOGALES	TCSNAZMAWMD	04/09/2002	Prefix Type: CLEC Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSNAZMAWMD))
520-223 is split into 1,000-number blocks - detail below
520-223-0XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	08/05/2003	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-1XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	03/30/2005	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-2XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	05/23/2005	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-3XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	06/13/2005	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-4XXX	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)	0015338122	RMD0006112	3285	NOGALES	TCSNAZMAWMD	N/A	Prefix Type: CLEC Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSNAZMAWMD))
520-223-5XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	09/12/2005	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-6XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	11/15/2004	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-7XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	NOGALES	TCSMAZOI2MD	01/05/2005	Prefix Type: PCS Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSMAZOI2MD))
520-223-8XXX	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)	0015338122	RMD0006112	3285	NOGALES	TCSNAZMAWMD	09/14/2005	Prefix Type: CLEC Switch Name: TUCSON Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: TCSNAZMAWMD))
520-223-9XXX	AZ	BANDWIDTH.COM CLEC, LLC - AZ	0017042060	RMD0003709	587F	NOGALES	NOCLLIKNOWN	12/02/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Tucson AZ (668) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))