- City / exchange
- San Pedro
- Province / state
- California
- Country
- United States
- Carrier
- Pacific Bell
- Line type
- Landline or business line
- OCN
- 9740
- Status
- In Service
- Number pooling
- Yes (block shared between carriers)
310-221 phone numbers
San Pedro, California, United States · Pacific Bell
Reported numbers in 310-221
No numbers in this block have been reported by visitors yet.
What does the 310-221 prefix tell you?
Every North American number is area code + prefix + line. The prefix 310-221 was assigned to Pacific Bell on an unknown date for the San Pedro exchange. A call from this block usually originates from a Pacific Bell customer in or near San Pedro, but caller ID can be spoofed to show any number.