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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
319-456	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	00/00/0000	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456 is split into 1,000-number blocks - detail below
319-456-0XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456-1XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456-2XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456-3XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456-4XXX	IA	ONVOY, LLC - IA (Sinch)	0004323028	RMD0001966	221F	RICHLAND	NOCLLIKNOWN	05/29/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
319-456-5XXX	IA	ONVOY, LLC - IA (Sinch)	0004323028	RMD0001966	221F	RICHLAND	NOCLLIKNOWN	02/14/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
319-456-6XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456-7XXX	IA	CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)	0031422439	RMD0006976	508J	RICHLAND	DVNPIAEAGMD	09/06/2016	Prefix Type: IPES Switch Name: DAVENPORT Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: DVNPIAEAGMD))
319-456-8XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))
319-456-9XXX	IA	WINDSTREAM IOWA COMMUNICATIONS, INC. (Iowa Telecom)		N/A	1178	RICHLAND	RCLDIAXORS1	N/A	Prefix Type: ICO Switch Name: RICHLAND Switch Type: N/A LATA: Davenport IA (634) Tandem: N/A 🔧 Explore Switch(CLLI: RCLDIAXORS1))