Get a local business phone number in Oroville, CA

What area code is Oroville, CA?

Oroville city is a Census place in Butte County, California, with an estimated 19,712 residents in 2024. All 22 exchanges NANPA lists for its rate center are in area code 530. 530 is part of an overlay with 837, so a new local number in Oroville may carry any of those codes depending on which have numbers available. Oroville is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 530 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Phone carriers in Oroville

11 carriers hold the 22 exchanges assigned to Oroville's rate center. Pacific Bell has the most, with 5. 19 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Local prefixes for Oroville

These are the central office codes NANPA records for Oroville. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2007. 5 of the 22 were assigned in 2020 or later.

When Oroville's exchanges were assigned

The table groups Oroville's exchanges by the decade NANPA recorded them as assigned.

Rate centers and local calling in Oroville

What a caller sees as "local" is the area code plus prefix. In Oroville, those come from the OROVILLE rate center, as recorded by NANPA.

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

Businesses around Oroville

Oroville is part of the Chico, CA metro area, home to 208,000 people in 2024. County Business Patterns counted 4,677 business establishments in the Chico, CA metro area in 2023, employing 63,158 people. The largest sectors by establishment count are retail trade (682), health care and social assistance (639), and construction (575).

Setting up a Oroville business line

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.

Porting a number you already use in Oroville is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Chico, CA metro area, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.