Hollister, CA — rate center

NANPA rate center & CO code data, current as of July 28, 2026.

State
California
Area codes
408, 831
Active prefixes
23
Carriers
11
Pooled prefixes
19
LATA
736
Metro area
San Jose-Sunnyvale-Santa Clara, CA MSA

The Hollister rate center (California) anchors 23 active prefixes under area codes 408, 831. Rate centers, not city limits, are what phone numbers are legally tied to.

23 central-office prefixes are currently anchored to this rate center across 11 carriers. 19 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 736.

Multiple area codes over one rate center (408/831) is the overlay pattern: same geography, different first three digits.

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 Hollister

Prefixes anchored to the Hollister rate center
PrefixCode holderPooled
408-804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Yes

FAQ

What area code is Hollister, CA?

Hollister is served by 2 area codes — 408, 831 — which overlay the same territory.

How many prefixes does Hollister have?

23 active NXX prefixes are anchored to this rate center in NANPA records, held by 11 carriers.

Is a call from a Hollister prefix really from Hollister?

Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.