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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
206-753	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753 is split into 1,000-number blocks - detail below
206-753-0XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-1XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-2XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-3XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-4XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-5XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-6XXX	WA	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA (Lumen Technologies, Inc)	0004351532	RMD0006104	7455	SEATTLE	STTLWA06DSE	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA06DSE))
206-753-7XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	SEATTLE	STTLWA060MD	05/31/2005	Prefix Type: PCS Switch Name: SEATTLE Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA060MD))
206-753-8XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	SEATTLE	STTLWA060MD	05/31/2005	Prefix Type: PCS Switch Name: SEATTLE Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA060MD))
206-753-9XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	SEATTLE	STTLWA060MD	05/31/2005	Prefix Type: PCS Switch Name: SEATTLE Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA060MD))