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Get a local business phone number in Essex, MA

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

Area code
978 / 351
Exchanges
4NANPA-assigned
Carriers
3
Population
3,760Census 2024 est.

Area codes in Essex

With 3,760 residents in the Census 2024 estimate, Essex sits in Essex County, Massachusetts. NANPA lists 4 exchanges for its rate center across 2 area codes; 978 has the most (3, 75%). 978 is part of an overlay with 351, so a new local number in Essex may carry any of those codes depending on which have numbers available. Essex is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 978 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Essex, MA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
978375%1997351Eastern
351125%2001978Eastern

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

Phone carriers in Essex

3 carriers hold the 4 exchanges assigned to Essex's rate center. Level 3 Communications, LLC - Ma has the most, with 2. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Essex can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Essex, MA
Carrier (NANPA operating company)ExchangesShare
Level 3 Communications, LLC - Ma250%
Fractel, LLC125%
Verizon New England INC.125%

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 Essex

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Essex. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 4 were assigned in 2020 or later.

Prefixes assigned in Essex, MA
Area codePrefixes (NXX)
351400
978768, 801, 890

Source: NANPA utilized central office code file.

When Essex's exchanges were assigned

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

Essex, MA: exchanges by decade assigned
Decade assignedExchangesShare
2000s267%
2020s133%

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

What makes a number local to Essex

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

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

The local business market

Essex 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 Essex

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 Essex 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.

A 20-person team is the benchmark here, the rounded average establishment size in the Boston, MA-NH metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $600.00 a month and Ooma Office Pro $499.00. 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 Essex, MA?

Essex has exchanges in 978 and 351; 978 has the most.

How many phone companies have exchanges in Essex?

3, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Essex 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 Essex?

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).