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
623-455	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)	0015338122	RMD0006112	3285	PHOENIX	PHNDAZ91DS5	12/27/2004	Prefix Type: CLEC Switch Name: PHOENIX Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNDAZ91DS5))
623-455 is split into 1,000-number blocks - detail below
623-455-0XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PHOENIX	TEMPAZNR5MD	04/03/2006	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-455-1XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PHOENIX	TEMPAZNR5MD	04/03/2006	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-455-2XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PHOENIX	TEMPAZNR5MD	04/03/2006	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-455-3XXX	AZ	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	PHOENIX	PHNXAZMAX1Z	05/18/2006	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNXAZMAX1Z))
623-455-4XXX	AZ	ACCIPITER COMMUNICATIONS INC	0004269833	RMD0004565	2191	PHOENIX	PEORAZFSDS0	04/07/2006	Prefix Type: ICO Switch Name: PEORIA Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PEORAZFSDS0))
623-455-5XXX	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)	0015338122	RMD0006112	3285	PHOENIX	PHNDAZ91DS5	12/29/2004	Prefix Type: CLEC Switch Name: PHOENIX Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNDAZ91DS5))
623-455-6XXX	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)	0015338122	RMD0006112	3285	PHOENIX	PHNDAZ91DS5	12/29/2004	Prefix Type: CLEC Switch Name: PHOENIX Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNDAZ91DS5))
623-455-7XXX	AZ	QWEST CORPORATION	0003746757	RMD0006389	9636	PHOENIX	BRDSAZMADS0	03/28/2006	Prefix Type: RBOC Switch Name: BEARDSLEY Switch Type: WECO 5ESS (Digital) LATA: Phoenix AZ (666) Tandem: PHNXAZMA01T 🔧 Explore Switch(CLLI: BRDSAZMADS0))
623-455-8XXX	AZ	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	PHOENIX	PHNXAZMAX1Z	05/18/2006	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNXAZMAX1Z))
623-455-9XXX	AZ	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	PHOENIX	PHNXAZMAX1Z	05/18/2006	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNXAZMAX1Z))