CallataGuides

Get a local business phone number in South Lyon, MI

South Lyon's area codes, prefixes and carriers from NANPA records, and how to put a South Lyon number in front of your customers.

Area code
248 / 947
Exchanges
15NANPA-assigned
Carriers
11
Population
12,219Census 2024 est.

Area codes in South Lyon

With 12,219 residents in the Census 2024 estimate, South Lyon sits in Oakland County, Michigan. NANPA lists 15 exchanges for its rate center across 2 area codes; 248 has the most (12, 80%). 248 is part of an overlay with 947, so a new local number in South Lyon may carry any of those codes depending on which have numbers available. South Lyon 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.

Area codes with exchanges in South Lyon, MI
Area codeExchanges hereShareIn service sinceOverlay withTime zone
2481280%1997947Eastern
947320%2002248Eastern

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

South Lyon exchanges by carrier

11 carriers hold the 15 exchanges assigned to South Lyon's rate center. Michigan Bell Tel CO has the most, with 3. 12 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in South Lyon can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in South Lyon, MI
Carrier (NANPA operating company)ExchangesShare
Michigan Bell Tel CO320%
Metropcs, INC.213%
Level 3 Communications, LLC - Mi213%
Mcimetro Access Transmission Services LLC - Mi16.7%
Telnet Worldwide, INC.16.7%
Teleport Communications America, LLC - Mi16.7%
Paetec Itel, LLC16.7%
Comcast Ip Phone, LLC16.7%
Bandwidth.com CLEC, LLC - Mi16.7%
Fractel, LLC16.7%
Ton80 Communications, LLC16.7%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Exchanges (NPA-NXX) assigned in South Lyon

These are the central office codes NANPA records for South Lyon. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 15 were assigned in 2020 or later.

Prefixes assigned in South Lyon, MI
Area codePrefixes (NXX)
248264, 278, 437, 446, 486, 491, 493, 573, 587, 617, 667, 782
947207, 348, 362

Source: NANPA utilized central office code file.

When South Lyon's exchanges were assigned

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

South Lyon, MI: exchanges by decade assigned
Decade assignedExchangesShare
2000s117%
2010s350%
2020s233%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

How local numbers work in South Lyon

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. South Lyon's numbers are rated to the SOUTH LYON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a South Lyon number.

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

Who does business near South Lyon

South Lyon 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).

Selected industries in the Detroit, MI metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants3,76463,82117.0
Physician practices3,62245,65712.6
Full-service restaurants3,19165,66920.6
Law offices2,13015,5657.3
Dental offices1,92116,1278.4
Landscaping services1,7118,2614.8
Residential remodelers1,6215,9243.7
Insurance agencies and brokerages1,52011,5697.6

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Business phone service in South Lyon

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 South Lyon 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.

An 18-person team is the benchmark here, the rounded average establishment size in the Detroit, MI metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for an 18-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$359.00$4,308.00
Quo (Starter)$19.00 per user$342.00$4,104.00
Nextiva (Core)$23.00 per user$414.00$4,968.00
Ooma (Office Pro)$24.95 per user$449.10$5,389.20
Dialpad (Standard)$27.00 per user$486.00$5,832.00
RingCentral (RingEX Core)$30.00 per user$540.00$6,480.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is South Lyon, MI?

South Lyon has exchanges in 248 and 947; 248 has the most.

How many phone companies have exchanges in South Lyon?

11, holding 15 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing South Lyon business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in South Lyon?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).