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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
330-956	OH	TELEPORT COMMUNICATIONS AMERICA, LLC - OH (AT&T)	0004274114	RMD0003897	7532	CANTON	AKRNOH25XWY	06/06/2007	Prefix Type: CLEC Switch Name: AKRON Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25XWY))
330-956 is split into 1,000-number blocks - detail below
330-956-0XXX	OH	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CANTON	AKRNOH25X3Y	11/20/2007	Prefix Type: PCS Switch Name: AKRON Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25X3Y))
330-956-1XXX	OH	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CANTON	AKRNOH25X3Y	06/04/2008	Prefix Type: PCS Switch Name: AKRON Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25X3Y))
330-956-2XXX	OH	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CANTON	AKRNOH25X3Y	01/05/2009	Prefix Type: PCS Switch Name: AKRON Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25X3Y))
330-956-3XXX	OH	ONVOY, LLC - OH (Sinch)	0004323028	RMD0001966	464C	CANTON	NOCLLIKNOWN	05/22/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
330-956-4XXX	OH	TWC IP ENABLED SERVICES, LLC		N/A	793K	CANTON	AKRNOH25X8Z	12/07/2007	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25X8Z))
330-956-5XXX	OH	TWC IP ENABLED SERVICES, LLC		N/A	793K	CANTON	AKRNOH25X8Z	12/07/2007	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25X8Z))
330-956-6XXX	OH	ONVOY, LLC - OH (Sinch)	0004323028	RMD0001966	464C	CANTON	NOCLLIKNOWN	01/27/2026	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
330-956-7XXX	OH	TELEPORT COMMUNICATIONS AMERICA, LLC - OH (AT&T)	0004274114	RMD0003897	7532	CANTON	AKRNOH25XWY	06/06/2007	Prefix Type: CLEC Switch Name: AKRON Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25XWY))
330-956-8XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	CANTON	AKRNOH25XEX	11/14/2025	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25XEX))
330-956-9XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	CANTON	AKRNOH25XEX	10/22/2025	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Akron OH (325) Tandem: N/A 🔧 Explore Switch(CLLI: AKRNOH25XEX))