Get a local business phone number in Oak Grove, MO

Oak Grove area codes

Oak Grove city is a Census place in Jackson County, Missouri, with an estimated 9,129 residents in 2024. NANPA lists 6 exchanges for its rate center across 2 area codes; 816 has the most (5, 83%). 816 is part of an overlay with 975, so a new local number in Oak Grove may carry any of those codes depending on which have numbers available. Oak Grove is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 816 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Oak Grove exchanges by carrier

4 carriers hold the 6 exchanges assigned to Oak Grove's rate center. Embarq Missouri, INC. d/b/a Centurylink - Mo has the most, with 2. 6 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Exchanges (NPA-NXX) assigned in Oak Grove

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Oak Grove's rate center (OAK GROVE). The earliest assignment date recorded in the file for these codes is 2012. 1 of the 6 were assigned in 2020 or later.

When Oak Grove's exchanges were assigned

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

Rate centers and local calling in Oak Grove

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

Keeping an existing Oak Grove number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 816 when you pick it.

Businesses around Oak Grove

Oak Grove is part of the Kansas City, MO-KS metro area, home to 2.3 million people in 2024. County Business Patterns counted 55,104 business establishments in the Kansas City, MO-KS metro area in 2023, employing 1,016,941 people. The largest sectors by establishment count are health care and social assistance (7,042), professional, scientific, and technical services (6,702), and retail trade (6,258).

A Oak Grove 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.

Porting a number you already use in Oak Grove 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 Kansas City, MO-KS metro area, 18 users on RingCentral RingEX Core come to $540.00 a month and on Ooma Office Pro $449.10, at month-to-month list prices checked September 28, 2026. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.