Gilroy, CA — rate center
- State
- California
- Active prefixes
- 26
- Carriers
- 14
- Pooled prefixes
- 21
- LATA
- 722
- Metro area
- San Jose-Sunnyvale-Santa Clara, CA MSA
The Gilroy rate center (California) anchors 26 active prefixes under area codes 408, 669. Rate centers, not city limits, are what phone numbers are legally tied to.
NANPA records show 26 active prefixes here across 14 carriers. 21 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 Gilroy 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 Gilroy
| Prefix | Code holder | Pooled |
|---|---|---|
| 408-337 | CHARTER IP ENABLED SERVICES, LLC | Yes |
| 408-413 | ONVOY, LLC - CA | Yes |
| 408-427 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | Yes |
| 408-430 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 408-443 | ONVOY, LLC - CA | Yes |
| 408-632 | NORTH COUNTY COMMUNICATION CORPORATION - CA | No |
| 408-665 | METROPCS, INC. | Yes |
| 408-713 | BANDWIDTH.COM CLEC, LLC - CA | Yes |
| 408-767 | METROPCS, INC. | Yes |
| 408-840 | PACIFIC BELL (COMPETITIVE) | Yes |
| 408-842 | FRONTIER CALIFORNIA INC. | No |
| 408-843 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Yes |
| 408-846 | FRONTIER CALIFORNIA INC. | No |
| 408-847 | FRONTIER CALIFORNIA INC. | No |
| 408-848 | FRONTIER CALIFORNIA INC. | No |
| 408-852 | LEVEL 3 COMMUNICATIONS, LLC - CA | Yes |
FAQ
What area code is Gilroy, CA?
Gilroy is served by 2 area codes — 408, 669 — which overlay the same territory.
How many prefixes does Gilroy have?
26 active NXX prefixes are anchored to this rate center in NANPA records, held by 14 carriers.
Is a call from a Gilroy prefix really from Gilroy?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.