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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
425-551	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	00/00/0000	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551 is split into 1,000-number blocks - detail below
425-551-0XXX	WA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA (Verizon Wireless)	0003290673	RMD0003382	5812	EVERETT	STTLWAGAAMD	01/14/2014	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWAGAAMD))
425-551-1XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	N/A	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551-2XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	N/A	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551-3XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	N/A	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551-4XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	N/A	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551-5XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	N/A	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551-6XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	EVERETT	STTLWANEDS0	N/A	Prefix Type: CLEC Switch Name: SEATTLE Switch Type: WECO 5ESS (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWANEDS0))
425-551-7XXX	WA	ONVOY, LLC - WA (Sinch)	0004323028	RMD0001966	483E	EVERETT	NOCLLIKNOWN	08/30/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
425-551-8XXX	WA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA (Verizon Wireless)	0003290673	RMD0003382	5812	EVERETT	STTLWAGAAMD	09/20/2012	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWAGAAMD))
425-551-9XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	EVERETT	BOTHWAAK3MD	02/25/2014	Prefix Type: PCS Switch Name: BOTHELL Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: BOTHWAAK3MD))