Campbell, CA — rate center
- State
- California
- Active prefixes
- 71
- Carriers
- 15
- Pooled prefixes
- 59
- LATA
- 722
- Metro area
- San Jose-Sunnyvale-Santa Clara, CA MSA
The Campbell rate center (California) anchors 71 active prefixes under area codes 408, 669. Rate centers, not city limits, are what phone numbers are legally tied to.
NANPA records show 71 active prefixes here across 15 carriers. 59 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area. Routing-wise it sits in LATA 722.
Multiple area codes over one rate center (408/669) is the overlay pattern: same geography, different first three digits.
As always with US numbering: a prefix anchored to Campbell tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.
Prefixes anchored to Campbell
| Prefix | Code holder | Pooled |
|---|---|---|
| 408-340 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 408-341 | PACIFIC BELL | Yes |
| 408-364 | PACIFIC BELL | Yes |
| 408-369 | PACIFIC BELL | No |
| 408-370 | PACIFIC BELL | Yes |
| 408-371 | PACIFIC BELL | No |
| 408-374 | PACIFIC BELL | No |
| 408-375 | T-MOBILE USA, INC. | Yes |
| 408-376 | PACIFIC BELL | Yes |
| 408-377 | PACIFIC BELL | No |
| 408-378 | PACIFIC BELL | No |
| 408-379 | PACIFIC BELL | No |
| 408-385 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
| 408-409 | T-MOBILE USA, INC. | Yes |
| 408-410 | NEW CINGULAR WIRELESS PCS, LLC | No |
| 408-412 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 408-426 | T-MOBILE USA, INC. | Yes |
| 408-429 | T-MOBILE USA, INC. | Yes |
| 408-460 | T-MOBILE USA, INC. | Yes |
| 408-466 | T-MOBILE USA, INC. | Yes |
| 408-508 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 408-540 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 408-558 | PACIFIC BELL | No |
| 408-559 | PACIFIC BELL | No |
| 408-583 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 408-603 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 408-608 | ONVOY, LLC - CA | Yes |
| 408-614 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 408-626 | PACIFIC BELL | No |
| 408-628 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 408-637 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | Yes |
| 408-679 | NEW CINGULAR WIRELESS PCS, LLC | Yes |
| 408-680 | T-MOBILE USA, INC. | Yes |
| 408-688 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
| 408-761 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Yes |
| 408-796 | PACIFIC BELL | Yes |
| 408-819 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | Yes |
| 408-866 | PACIFIC BELL | Yes |
| 408-871 | PACIFIC BELL | No |
| 408-874 | PACIFIC BELL | Yes |
| 408-879 | PACIFIC BELL | No |
| 408-915 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 408-963 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | Yes |
FAQ
What area code is Campbell, CA?
Campbell is served by 2 area codes — 408, 669 — which overlay the same territory.
How many prefixes does Campbell have?
71 active NXX prefixes are anchored to this rate center in NANPA records, held by 15 carriers.
Is a call from a Campbell prefix really from Campbell?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.