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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
360-492	WA	CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK (Lumen Technologies, Inc)	0001584697	RMD0016895	2408	MORTON	MRTNWAXXDS0	00/00/0000	Prefix Type: ICO Switch Name: MORTON Switch Type: Northern Telecom DMS10 (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: MRTNWAXXDS0))
360-492 is split into 1,000-number blocks - detail below
360-492-0XXX	WA	TERRA NOVA TELECOM INC.	0021193057	RMD0001495	145J	MORTON	NOCLLIKNOWN	05/14/2026	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-1XXX	WA	LEVEL 3 COMMUNICATIONS, LLC - WA (Lumen Technologies, Inc)	0015338122	RMD0006112	6121	MORTON	NOCLLIKNOWN	11/12/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-2XXX	WA	ONVOY, LLC - WA (Sinch)	0004323028	RMD0001966	483E	MORTON	NOCLLIKNOWN	01/28/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-3XXX	WA	CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK (Lumen Technologies, Inc)	0001584697	RMD0016895	2408	MORTON	MRTNWAXXDS0	N/A	Prefix Type: ICO Switch Name: MORTON Switch Type: Northern Telecom DMS10 (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: MRTNWAXXDS0))
360-492-4XXX	WA	ONVOY, LLC - WA (Sinch)	0004323028	RMD0001966	483E	MORTON	NOCLLIKNOWN	08/30/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-5XXX	WA	CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK (Lumen Technologies, Inc)	0001584697	RMD0016895	2408	MORTON	MRTNWAXXDS0	N/A	Prefix Type: ICO Switch Name: MORTON Switch Type: Northern Telecom DMS10 (Digital) LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: MRTNWAXXDS0))
360-492-6XXX	WA	CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)	0031422439	RMD0006976	508J	MORTON	NOCLLIKNOWN	11/26/2013	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-7XXX	WA	ASTOUND BROADBAND, LLC - WA		N/A	937F	MORTON	NOCLLIKNOWN	04/06/2012	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-8XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MORTON	NOCLLIKNOWN	03/24/2025	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
360-492-9XXX	WA	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	MORTON	NOCLLIKNOWN	04/07/2025	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Seattle WA (674) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))