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Get a local business phone number in Haverhill, MA

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

Area code
978 / 351
Exchanges
30NANPA-assigned
Carriers
11
Population
68,291Census 2024 est.

What area code is Haverhill, MA?

With 68,291 residents in the Census 2024 estimate, Haverhill sits in Essex County, Massachusetts. NANPA lists 30 exchanges for its rate center across 2 area codes; 978 has the most (26, 87%). 978 is part of an overlay with 351, so a new local number in Haverhill may carry any of those codes depending on which have numbers available. Haverhill 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 Haverhill, MA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
9782687%1997351Eastern
351413%2001978Eastern

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

Haverhill exchanges by carrier

11 carriers hold the 30 exchanges assigned to Haverhill's rate center. Omnipoint Miami E License, LLC has the most, with 7. 24 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 Haverhill, MA
Carrier (NANPA operating company)ExchangesShare
Omnipoint Miami E License, LLC723%
Verizon New England INC.620%
Cellco Partnership d/b/a Verizon Wireless - Ma517%
Mcimetro Access Transmission Services LLC310%
New Cingular Wireless PCS, LLC - DC26.7%
Paetec Itel, LLC26.7%
Fractel, LLC13.3%
Onvoy, LLC - Ma13.3%
Ton80 Communications, LLC13.3%
TC Systems, INC.13.3%
Airus, INC. - Ma13.3%

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.

Haverhill phone prefixes

These are the central office codes NANPA records for Haverhill. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 4 of the 30 were assigned in 2020 or later.

Prefixes assigned in Haverhill, MA
Area codePrefixes (NXX)
351215, 234, 353, 588
978228, 241, 351, 360, 361, 372, 373, 374, 377, 420, 457, 469, 476, 478, 519, 521, 556, 641, 702, 872, 891, 912, 914, 945, 971, 994

Source: NANPA utilized central office code file.

When Haverhill's exchanges were assigned

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

Haverhill, MA: exchanges by decade assigned
Decade assignedExchangesShare
2000s741%
2010s635%
2020s424%

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

Rate centers and local calling in Haverhill

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

Keeping an existing Haverhill number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 978 when you pick it.

Who does business near Haverhill

Haverhill 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.

A Haverhill number on Callata

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 Haverhill, 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 20 users, the rounded average establishment size in the Boston, MA-NH metro area. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. On Callata the same 20 people cost $399.00 a month, less than either per-seat plan.

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 Haverhill, MA?

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

How many phone companies have exchanges in Haverhill?

11, holding 30 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Haverhill 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 Haverhill?

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).