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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
251-461	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	00/00/0000	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461 is split into 1,000-number blocks - detail below
251-461-0XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-1XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-2XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-3XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-4XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-5XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-6XXX	AL	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	MOBILE	MOBLALAZ16Z	11/26/2012	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALAZ16Z))
251-461-7XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))
251-461-8XXX	AL	NEW CINGULAR WIRELESS PCS, LLC - GA (AT&T Wireless)	0003291192	RMD0036909	6214	MOBILE	MOBLALIHG02	02/14/2020	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALIHG02))
251-461-9XXX	AL	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	MOBILE	MOBLALSHDS0	N/A	Prefix Type: RBOC Switch Name: MOBILE Switch Type: N/A LATA: Mobile AL (480) Tandem: N/A 🔧 Explore Switch(CLLI: MOBLALSHDS0))