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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
570-231	PA	D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE		N/A	6846	BERWICK	SCTNPASCXMY	03/14/2001	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SCTNPASCXMY))
570-231 is split into 1,000-number blocks - detail below
570-231-0XXX	PA	D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE		N/A	6846	BERWICK	SCTNPASCXMY	11/08/2013	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SCTNPASCXMY ))
570-231-1XXX	PA	D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE		N/A	6846	BERWICK	SCTNPASCXMY	06/14/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SCTNPASCXMY ))
570-231-2XXX	PA	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	BERWICK	NOCLLIKNOWN	09/16/2016	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-3XXX	PA	BANDWIDTH.COM CLEC, LLC - PA	0017042060	RMD0003709	002F	BERWICK	NOCLLIKNOWN	02/01/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-4XXX	PA	BANDWIDTH.COM CLEC, LLC - PA	0017042060	RMD0003709	002F	BERWICK	NOCLLIKNOWN	04/04/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-5XXX	PA	LEVEL 3 COMMUNICATIONS, LLC - PA (Lumen Technologies, Inc)	0015338122	RMD0006112	4007	BERWICK	NOCLLIKNOWN	06/28/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-6XXX	PA	TELEPORT COMMUNICATIONS AMERICA, LLC - PA (AT&T)	0004274114	RMD0003897	7315	BERWICK	NOCLLIKNOWN	02/03/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-7XXX	PA	BANDWIDTH.COM CLEC, LLC - PA	0017042060	RMD0003709	002F	BERWICK	NOCLLIKNOWN	08/14/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-8XXX	PA	CORE COMMUNICATIONS, INC. - PA		N/A	3806	BERWICK	NOCLLIKNOWN	07/14/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
570-231-9XXX	PA	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	BERWICK	NOCLLIKNOWN	N/A	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))