CallataGuides

Get a local business phone number in Medfield, MA

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

Area code
508 / 774
Exchanges
6NANPA-assigned
Carriers
5
Population
13,334Census 2024 est.

What area code is Medfield, MA?

Medfield, in Norfolk County, Massachusetts, had a Census-estimated population of 13,334 in July 2024. NANPA lists 6 exchanges for its rate center across 2 area codes; 508 has the most (3, 50%). 508 is part of an overlay with 774, so a new local number in Medfield may carry any of those codes depending on which have numbers available. Medfield is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 508 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Medfield, MA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
508350%1988774Eastern
774350%2001508Eastern

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

Phone carriers in Medfield

5 carriers hold the 6 exchanges assigned to Medfield's rate center. Verizon New England INC. has the most, with 2. 6 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.

Carriers holding exchanges in Medfield, MA
Carrier (NANPA operating company)ExchangesShare
Verizon New England INC.233%
Mcimetro Access Transmission Services LLC117%
Airus, INC. - Ma117%
Bandwidth.com CLEC, LLC - Ma117%
Ton80 Communications, LLC117%

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.

Local prefixes for Medfield

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Medfield. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 6 were assigned in 2020 or later.

Prefixes assigned in Medfield, MA
Area codePrefixes (NXX)
508242, 359, 906
774403, 469, 748

Source: NANPA utilized central office code file.

When Medfield's exchanges were assigned

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

Medfield, MA: exchanges by decade assigned
Decade assignedExchangesShare
2000s133%
2010s133%
2020s133%

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

How local numbers work in Medfield

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

Keeping an existing Medfield number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 508 when you pick it.

Who does business near Medfield

Medfield is part of the Boston-Cambridge-Newton, MA-NH metro area, home to 5.0 million people in 2024. County Business Patterns counted 133,807 business establishments in the Boston, MA-NH metro area in 2023, employing 2,681,704 people. The largest sectors by establishment count are professional, scientific, and technical services (17,803), retail trade (15,568), and health care and social assistance (15,127).

Selected industries in the Boston, MA-NH metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants4,652104,68922.5
Limited-service restaurants3,92051,82513.2
Residential remodelers3,26311,1123.4
Law offices2,96724,7078.3
Landscaping services2,87612,4944.3
Dental offices2,41919,3138.0
Plumbing, heating and air-conditioning contractors2,16922,86010.5
Beauty salons2,02510,9955.4

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

Business phone service in Medfield

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 Medfield 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 Boston, MA-NH metro area, 20 users on RingCentral RingEX Core come to $600.00 a month and on Ooma Office Pro $499.00, at month-to-month list prices checked September 28, 2026. Callata comes to $399.00 a month for 20 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 20-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$399.00$4,788.00
Quo (Starter)$19.00 per user$380.00$4,560.00
Nextiva (Core)$23.00 per user$460.00$5,520.00
Ooma (Office Pro)$24.95 per user$499.00$5,988.00
Dialpad (Standard)$27.00 per user$540.00$6,480.00
RingCentral (RingEX Core)$30.00 per user$600.00$7,200.00

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 Medfield, MA?

Medfield has exchanges in 508 and 774; 508 has the most.

How many phone companies have exchanges in Medfield?

5, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Medfield 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 Medfield?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 20 users come to $399.00 a month. For comparison, 20 users on RingCentral RingEX Core list at $600.00 a month (checked September 28, 2026).