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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
206-288	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	00/00/0000	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288 is split into 1,000-number blocks - detail below
206-288-0XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-1XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-2XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-3XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	SEATTLE	STTLWA060MD	07/07/2005	Prefix Type: PCS Switch Name: SEATTLE Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA060MD))
206-288-4XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-5XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-6XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-7XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-8XXX	WA	TELEPORT COMMUNICATIONS AMERICA, LLC - WA (AT&T)	0004274114	RMD0003897	7146	SEATTLE	RDMDWASYDS1	N/A	Prefix Type: CLEC Switch Name: REDMOND Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: RDMDWASYDS1))
206-288-9XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	SEATTLE	STTLWA060MD	12/15/2005	Prefix Type: PCS Switch Name: SEATTLE Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: STTLWA060MD))