Get a local business phone number in Addison, MI

Addison area codes

Addison, in Oakland County, Michigan, had a Census-estimated population of 6,353 in July 2024. All 5 exchanges NANPA lists for its rate center are in area code 517. Addison is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 517 are dialed as seven digits and toll calls as 1 plus ten digits.

Who holds Addison phone exchanges

5 carriers hold the 5 exchanges assigned to Addison's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 1. 4 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.

Addison phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Addison's rate center (ADDISON). The earliest assignment date recorded in the file for these codes is 2001. 1 of the 5 were assigned in 2020 or later.

When Addison's exchanges were assigned

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

Rate centers and local calling in Addison

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

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

Businesses around Addison

Addison is part of the Detroit-Warren-Dearborn, MI metro area, home to 4.4 million people in 2024. County Business Patterns counted 102,430 business establishments in the Detroit, MI metro area in 2023, employing 1,846,717 people. The largest sectors by establishment count are retail trade (14,016), health care and social assistance (13,890), and professional, scientific, and technical services (11,783).

Setting up a Addison 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 Addison 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 Detroit, MI 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.