Stinson Beach-bolinas, CA — rate center

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

In NANP numbering, Stinson Beach-bolinas, California is a rate center — the anchor point for local numbers. It is reached through 415, 628 (multiple area codes serve it).

NANPA records show 11 active prefixes here, held by 7 different carriers. Pooling applies to 11 of them — individual thousands-blocks may belong to different companies.

The rate center belongs to the San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area. Routing-wise it sits in LATA 722.

Because 415, 628 all serve this territory, two Stinson Beach-bolinas numbers can look completely different while being neighbors — check the prefix, not just the area code.

As always with US numbering: a prefix anchored to Stinson Beach-bolinas 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 Stinson Beach-bolinas

FAQ

What area code is Stinson Beach-bolinas, CA?

Stinson Beach-bolinas is served by 2 area codes — 415, 628 — which overlay the same territory.

How many prefixes does Stinson Beach-bolinas have?

11 active NXX prefixes are anchored to this rate center in NANPA records, held by 7 carriers.

Is a call from a Stinson Beach-bolinas prefix really from Stinson Beach-bolinas?

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