Prefix 619-274 — National City, CA
- Area code
- 619
- Prefix (NXX)
- 274
- Rate center
- National City
- State
- California
- Time zone
- Pacific
- Code holder
- T-MOBILE USA, INC.
- OCN
- 6529
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2001-12-27
- LATA
- 732
The 619-274 prefix belongs to area code 619 and is anchored to the National City rate center (CA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
National City is part of the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area. For routing purposes it sits in LATA 732. Numbers here keep Pacific time.
Code-holder of record: T-MOBILE USA, INC. (OCN 6529), assigned December 27, 2001. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 619-274 numbers may be served by different companies.
Caller ID showing 619-274 is not proof the call came from National City: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 619-271 | Chula Vista | COMCAST PHONE OF CALIFORNIA, LLC |
| 619-272 | San Diego:san Diego Da | ONVOY, LLC - CA |
| 619-273 | National City | BANDWIDTH.COM CLEC, LLC - CA |
| 619-275 | San Diego:san Diego Da | PACIFIC BELL |
| 619-276 | San Diego:san Diego Da | PACIFIC BELL |
| 619-277 | El Cajon | T-MOBILE USA, INC. |
FAQ
Where is 619-274 located?
The prefix is assigned to the National City rate center in CA, area code 619. It is part of the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area.
Which company owns 619-274 numbers?
T-MOBILE USA, INC. 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 619-274 safe to answer?
The prefix itself says nothing about the caller. Legitimate National City businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.