Get a local business phone number in Walled Lake, MI

Area codes in Walled Lake

Walled Lake, in Oakland County, Michigan, had a Census-estimated population of 7,413 in July 2024. NANPA lists 19 exchanges for its rate center across 2 area codes; 248 has the most (16, 84%). 248 is part of an overlay with 947, so a new local number in Walled Lake may carry any of those codes depending on which have numbers available. Walled Lake is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 248 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Walled Lake phone exchanges

11 carriers hold the 19 exchanges assigned to Walled Lake's rate center. Michigan Bell Tel CO has the most, with 5. 14 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Walled Lake can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Walled Lake

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Walled Lake's rate center (WALLEDLAKE). The earliest assignment date recorded in the file for these codes is 2005. 2 of the 19 were assigned in 2020 or later.

When Walled Lake's exchanges were assigned

Assignment dates show when each block of Walled Lake numbers was added to the local supply.

How local numbers work in Walled Lake

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

Keeping an existing Walled Lake number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 248 when you pick it.

The local business market

Walled Lake 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 Walled Lake 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.

If you already have a number in Walled Lake, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 18 users, the rounded average establishment size in the Detroit, MI metro area. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.