Get a local business phone number in Jefferson, OR

What area code is Jefferson, OR?

With 3,296 residents in the Census 2024 estimate, Jefferson sits in Marion County, Oregon. NANPA lists 4 exchanges for its rate center across 2 area codes; 458 has the most (2, 50%). 458 is part of an overlay with 541, so a new local number in Jefferson may carry any of those codes depending on which have numbers available. Jefferson is in the Mountain and Pacific time zone.

According to NANPA's dialing-plan data, local calls within 458 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Jefferson phone exchanges

3 carriers hold the 4 exchanges assigned to Jefferson's rate center. Onvoy, LLC - Or has the most, with 2. 4 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.

Jefferson phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Jefferson's rate center (JEFFERSON). The earliest assignment date recorded in the file for these codes is 2013. 1 of the 4 were assigned in 2020 or later.

When Jefferson's exchanges were assigned

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

How local numbers work in Jefferson

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

New local numbers are drawn from carrier inventory, so the exact 458 numbers available change over time; porting an existing number is free.

Who does business near Jefferson

Jefferson is part of the Salem, OR metro area, home to 443,000 people in 2024. County Business Patterns counted 10,763 business establishments in the Salem, OR metro area in 2023, employing 133,058 people. The largest sectors by establishment count are construction (1,827), health care and social assistance (1,473), and retail trade (1,247).

Setting up a Jefferson 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 Jefferson 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 Salem, OR 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.