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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
256-919	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	01/15/2010	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919 is split into 1,000-number blocks - detail below
256-919-0XXX	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	ARAB	NOCLLIKNOWN	09/09/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
256-919-1XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	02/21/2013	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-2XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	01/24/2013	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-3XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	07/06/2011	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-4XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	07/06/2011	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-5XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	05/18/2011	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-6XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	02/21/2013	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-7XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	01/06/2011	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-8XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	01/06/2011	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))
256-919-9XXX	AL	POWERTEL BIRMINGHAM LICENSES, INC. (T-Mobile)		N/A	7475	ARAB	GDSDAL04CM1	01/18/2010	Prefix Type: PCS Switch Name: GASDEN Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: GDSDAL04CM1))