Prefix 408-620 — San Jose:south Da, CA
- Area code
- 408
- Prefix (NXX)
- 620
- Rate center
- San Jose:south Da
- State
- California
- Time zone
- Pacific
- Code holder
- MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
- OCN
- 7240
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-09-13
- LATA
- 722
408-620 identifies a block of numbers in San Jose:south Da, CA, within the 408 area code. Every US prefix is tied to exactly one rate center; this one is San Jose:south Da.
The rate center lies in the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area. The serving LATA is 722. Local time follows the Pacific zone.
Treat the on-screen number as a hint, not evidence — 408-620 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (OCN 7240), assigned September 13, 2011. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 408-620 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 408-617 | Sunnyvale | PACIFIC BELL |
| 408-618 | San Jose:north Da | ONVOY, LLC - CA |
| 408-619 | San Jose:west Da | SPOK, INC. |
| 408-621 | Saratoga | NEW CINGULAR WIRELESS PCS, LLC |
| 408-622 | San Jose:south Da | BANDWIDTH.COM CLEC, LLC - CA |
| 408-623 | San Jose:south Da | NEW CINGULAR WIRELESS PCS, LLC |
FAQ
Where is 408-620 located?
The prefix is assigned to the San Jose:south Da rate center in CA, area code 408. It is part of the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area.
Which company owns 408-620 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 408-620 safe to answer?
The prefix itself says nothing about the caller. Legitimate San Jose:south Da businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.