TelcoData.US: Search by Area Code / Exchange

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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
205-421	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	BIRMINGHAM	BRHMALPODS0	00/00/0000	Prefix Type: CLEC Switch Name: BIRMINGHAM Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALPODS0))
205-421 is split into 1,000-number blocks - detail below
205-421-0XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	BIRMINGHAM	BRHMALHR6MD	02/19/2015	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALHR6MD))
205-421-1XXX	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	BIRMINGHAM	BRHMALPODS0	N/A	Prefix Type: CLEC Switch Name: BIRMINGHAM Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALPODS0))
205-421-2XXX	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	BIRMINGHAM	BRHMALPODS0	N/A	Prefix Type: CLEC Switch Name: BIRMINGHAM Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALPODS0))
205-421-3XXX	AL	BANDWIDTH.COM CLEC, LLC - AL	0017042060	RMD0003709	072F	BIRMINGHAM	NOCLLIKNOWN	12/06/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
205-421-4XXX	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	BIRMINGHAM	BRHMALPODS0	N/A	Prefix Type: CLEC Switch Name: BIRMINGHAM Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALPODS0))
205-421-5XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	BIRMINGHAM	BRHMALHR6MD	03/07/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALHR6MD))
205-421-6XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	BIRMINGHAM	BRHMALHR6MD	02/19/2015	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALHR6MD))
205-421-7XXX	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	BIRMINGHAM	BRHMALPODS0	N/A	Prefix Type: CLEC Switch Name: BIRMINGHAM Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALPODS0))
205-421-8XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	BIRMINGHAM	BRHMALHR6MD	02/19/2015	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMALHR6MD))
205-421-9XXX	AL	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL	0004999405	RMD0002957	7469	BIRMINGHAM	BRHMAL41DS0	07/24/2006	Prefix Type: CLEC Switch Name: BIRMINGHAM Switch Type: NORTEL DMS 500 LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMAL41DS0))