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Get a local business phone number in Westfield, MA

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

Area code
413
Exchanges
16NANPA-assigned
Carriers
7
Population
40,403Census 2024 est.

Area codes in Westfield

With 40,403 residents in the Census 2024 estimate, Westfield sits in Hampden County, Massachusetts. All 16 exchanges NANPA lists for its rate center are in area code 413. Westfield is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 413 are dialed as seven digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Westfield, MA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
41316100%1947noneEastern

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

Phone carriers in Westfield

7 carriers hold the 16 exchanges assigned to Westfield's rate center. Paetec Itel, LLC has the most, with 7. 11 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Westfield, MA
Carrier (NANPA operating company)ExchangesShare
Paetec Itel, LLC744%
Verizon New England INC.425%
Stratus Networks16.3%
Leap Telecom, LLC16.3%
TC Systems, INC.16.3%
Level 3 Communications, LLC - Ma16.3%
Metropcs, INC.16.3%

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.

Exchanges (NPA-NXX) assigned in Westfield

These are the central office codes NANPA records for Westfield. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 16 were assigned in 2020 or later.

Prefixes assigned in Westfield, MA
Area codePrefixes (NXX)
413393, 454, 480, 485, 516, 562, 564, 568, 571, 572, 579, 639, 642, 729, 875, 977

Source: NANPA utilized central office code file.

When Westfield's exchanges were assigned

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

Westfield, MA: exchanges by decade assigned
Decade assignedExchangesShare
2000s125%
2010s125%
2020s250%

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

Rate centers and local calling in Westfield

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

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

Who does business near Westfield

Westfield is part of the Springfield, MA metro area, home to 464,000 people in 2024. County Business Patterns counted 9,339 business establishments in the Springfield, MA metro area in 2023, employing 168,744 people. The largest sectors by establishment count are retail trade (1,472), health care and social assistance (1,247), and other services (except public administration) (982).

Selected industries in the Springfield, MA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants3356,13618.3
Limited-service restaurants2864,51015.8
Landscaping services2176863.2
Law offices2051,0245.0
Residential remodelers1837664.2
Dental offices1631,78711.0
Physician practices1564,50228.9
Electrical contractors1321,95914.8

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

Setting up a Westfield business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Westfield, 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.

An 18-person team is the benchmark here, the rounded average establishment size in the Springfield, MA 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. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

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 Westfield, MA?

413. All exchanges NANPA lists for Westfield are in 413.

How many phone companies have exchanges in Westfield?

7, holding 16 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Westfield 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 Westfield?

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).