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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
509-855	WA	LEVEL 3 COMMUNICATIONS, LLC - WA (Lumen Technologies, Inc)		N/A	6121	MOSES LAKE	SPKNWA01XUX	07/17/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWA01XUX))
509-855 is split into 1,000-number blocks - detail below
509-855-0XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	MOSES LAKE	MLWDWAAA2MD	09/04/2013	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-855-1XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	MOSES LAKE	MLWDWAAA2MD	02/13/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-855-2XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	MOSES LAKE	MLWDWAAA2MD	10/01/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-855-3XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	MOSES LAKE	MLWDWAAA2MD	01/06/2005	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-855-4XXX	WA	LEVEL 3 COMMUNICATIONS, LLC - WA (Lumen Technologies, Inc)		N/A	6121	MOSES LAKE	SPKNWA01XUX	07/18/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWA01XUX))
509-855-5XXX	WA	LEVEL 3 COMMUNICATIONS, LLC - WA (Lumen Technologies, Inc)		N/A	6121	MOSES LAKE	SPKNWA01XUX	06/01/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWA01XUX))
509-855-6XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	MOSES LAKE	MLWDWAAA2MD	03/12/2003	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-855-7XXX	WA	LEVEL 3 COMMUNICATIONS, LLC - WA (Lumen Technologies, Inc)		N/A	6121	MOSES LAKE	SPKNWA01XUX	06/01/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SPKNWA01XUX))
509-855-8XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	MOSES LAKE	MLWDWAAA2MD	09/23/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-855-9XXX	WA	ONVOY, LLC - WA (Sinch)	0004323028	RMD0001966	483E	MOSES LAKE	NOCLLIKNOWN	11/05/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))