Get a local business phone number in Eureka, CA

What area code is Eureka, CA?

With 25,412 residents in the Census 2024 estimate, Eureka sits in Humboldt County, California. NANPA lists 38 exchanges for its rate center across 2 area codes; 707 has the most (36, 95%). 707 is part of an overlay with 369, so a new local number in Eureka may carry any of those codes depending on which have numbers available. Eureka is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 707 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Eureka exchanges by carrier

15 carriers hold the 38 exchanges assigned to Eureka's rate center. Pacific Bell has the most, with 8. 28 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Eureka can come from any of these blocks; once it is yours, porting lets it move between providers.

Eureka phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Eureka. The earliest assignment date recorded in the file for these codes is 2001. 4 of the 38 were assigned in 2020 or later.

When Eureka's exchanges were assigned

Assignment dates show when each block of Eureka numbers was added to the local supply.

Rate centers and local calling in Eureka

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Eureka's numbers are rated to the EUREKA rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Eureka number.

If your business already has a Eureka number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Who does business near Eureka

Eureka is part of the Eureka-Arcata, CA micropolitan area, home to 132,000 people in 2024. County Business Patterns counted 3,178 business establishments in the Eureka, CA micropolitan area in 2023, employing 34,729 people. The largest sectors by establishment count are retail trade (525), accommodation and food services (404), and health care and social assistance (389).

A Eureka number on Callata

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in Eureka, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 11 users, the rounded average establishment size in the Eureka, CA micropolitan area. At list prices checked September 28, 2026, that is $274.45 a month on Ooma Office Pro and $330.00 on RingCentral RingEX Core. On Callata the same 11 people cost $219.00 a month, less than either per-seat plan.