Area code 512

Largest exchanges

• Austin585
• Georgetown29
• San Marcos26
• Bastrop19
• Leander12
• Lockhart11
• Burnet8
• Taylor7
• Kyle6
• Rockdale6

Largest carriers

• Southwestern Bell273
• New Cingular Wireless Pcs, LLC - Il98
• T-mobile Usa, Inc.70
• Cellco Partnership dba Verizon Wireless - TX49
• Level 3 Of Telecom Of Texas, LLC - TX45
• Frontier Southwest INC dba Frontier Comm Of Texas37
• Onvoy, LLC - TX26
• Level 3 Communications, LLC - TX21
• Bandwidth.com Clec, LLC - TX17
• Spok, Inc.16

Most reported 512 numbers

No visitor reports yet in this area code.

FCC complaints

• 512-543-17821 · 2026-10-07
• 512-548-95421 · 2026-10-07
• 512-553-12881 · 2026-10-07
• 512-774-03881 · 2026-10-07
• 512-231-48061 · 2026-10-05
• 512-240-94161 · 2026-10-05
• 512-773-15121 · 2026-10-05
• 512-768-98591 · 2026-10-03