Lookup › Area code 657
657 Area Code — Anaheim, CA
Area code 657 serves Anaheim, CA.
Most looked-up 657 numbers
- 657-226-2191
- 657-675-1489
- 657-655-2556
- 657-315-2323
- 657-452-3865
- 657-208-4100
- 657-267-1436
- 657-689-4084
- 657-358-6495
- 657-789-3787
- 657-610-2931
- 657-898-1801
Phone prefixes in 657
Carriers serving 657
- Verizon (2 numbers)
- T-Mobile (2 numbers)
- Onvoy, LLC - CA (2 numbers)
- Telnyx, LLC (2 numbers)
- At&t (1 numbers)
- Level 3 Communications, LLC - (1 numbers)
- Peerless Network Of California (1 numbers)
Frequently asked questions
Where is area code 657?
Area code 657 serves Anaheim, CA.
What prefixes are in area code 657?
Phone2.io tracks 13 phone prefixes in area code 657, with carrier and spam-report data on individual numbers.
More about area code 657
Area code 657 overview, history, and local numbers · Get a CA phone number
Last updated: March 19, 2026