Coronado, CA — rate center
- State
- California
- Active prefixes
- 25
- Carriers
- 9
- Pooled prefixes
- 22
- LATA
- 732
- Metro area
- San Diego-Cula Vista-Carlsbad, CA MSA
Coronado is a telephone rate center in California served by area codes 619, 858. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
25 central-office prefixes are currently anchored to this rate center, held by 9 different carriers. Pooling applies to 22 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the San Diego-Cula Vista-Carlsbad, CA Metropolitan Statistical Area. Routing-wise it sits in LATA 732.
Because 619, 858 all serve this territory, two Coronado numbers can look completely different while being neighbors — check the prefix, not just the area code.
Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.
Prefixes anchored to Coronado
| Prefix | Code holder | Pooled |
|---|---|---|
| 619-215 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | Yes |
| 619-313 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | Yes |
| 619-319 | T-MOBILE USA, INC. | Yes |
| 619-347 | T-MOBILE USA, INC. | Yes |
| 619-365 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 619-435 | PACIFIC BELL | No |
| 619-437 | PACIFIC BELL | No |
| 619-459 | T-MOBILE USA, INC. | Yes |
| 619-519 | T-MOBILE USA, INC. | Yes |
| 619-522 | PACIFIC BELL | Yes |
| 619-537 | PACIFIC BELL | Yes |
| 619-545 | PACIFIC BELL | No |
| 619-554 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
| 619-568 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 619-675 | T-MOBILE USA, INC. | Yes |
| 619-762 | T-MOBILE USA, INC. | Yes |
| 619-775 | ONVOY, LLC - CA | Yes |
| 619-805 | T-MOBILE USA, INC. | Yes |
| 619-841 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
| 619-865 | T-MOBILE USA, INC. | Yes |
| 619-878 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | Yes |
| 619-996 | ONVOY, LLC - CA | Yes |
FAQ
What area code is Coronado, CA?
Coronado is served by 2 area codes — 619, 858 — which overlay the same territory.
How many prefixes does Coronado have?
25 active NXX prefixes are anchored to this rate center in NANPA records, held by 9 carriers.
Is a call from a Coronado prefix really from Coronado?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.