Get a local business phone number in Fillmore, CA

What area code is Fillmore, CA?

With 17,216 residents in the Census 2024 estimate, Fillmore sits in Ventura County, California. NANPA lists 9 exchanges for its rate center across 2 area codes; 805 has the most (8, 89%). 805 is part of an overlay with 820, so a new local number in Fillmore may carry any of those codes depending on which have numbers available. Fillmore is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 805 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Who holds Fillmore phone exchanges

6 carriers hold the 9 exchanges assigned to Fillmore's rate center. New Cingular Wireless PCS, LLC has the most, with 3. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Fillmore can come from any of these blocks; once it is yours, porting lets it move between providers.

Fillmore phone prefixes

These are the central office codes NANPA records for Fillmore. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 1 of the 9 were assigned in 2020 or later.

When Fillmore's exchanges were assigned

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

Rate centers and local calling in Fillmore

NANPA ties every exchange to a rate center. For Fillmore that is FILLMORE, so a number from one of these exchanges reads as local to people in and around Fillmore.

Keeping an existing Fillmore number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 805 when you pick it.

Businesses around Fillmore

Fillmore is part of the Oxnard-Thousand Oaks-Ventura, CA metro area, home to 835,000 people in 2024. County Business Patterns counted 22,992 business establishments in the Oxnard, CA metro area in 2023, employing 273,697 people. The largest sectors by establishment count are health care and social assistance (3,270), professional, scientific, and technical services (3,100), and retail trade (2,552).

A Fillmore number on Callata

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Fillmore 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.

A 12-person team is the benchmark here, the rounded average establishment size in the Oxnard, CA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $360.00 a month and Ooma Office Pro $299.40. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.