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Get a local business phone number in Hollis, NH

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

Area code
603
Exchanges
3NANPA-assigned
Carriers
3
Population
8,746Census 2024 est.

Area codes in Hollis

With 8,746 residents in the Census 2024 estimate, Hollis sits in Hillsborough County, New Hampshire. All 3 exchanges NANPA lists for its rate center are in area code 603. Hollis is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 603 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Area codes with exchanges in Hollis, NH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
6033100%1947noneEastern

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

Who holds Hollis phone exchanges

3 carriers hold the 3 exchanges assigned to Hollis's rate center. Metropcs, INC. has the most, with 1. 3 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 Hollis, NH
Carrier (NANPA operating company)ExchangesShare
Metropcs, INC.133%
Charter Ip Enabled Services, LLC133%
Hollis Telephone Company, INC.133%

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 Hollis

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Hollis. The earliest assignment date recorded in the file for these codes is 2011. None were assigned in 2020 or later.

Prefixes assigned in Hollis, NH
Area codePrefixes (NXX)
603258, 400, 465

Source: NANPA utilized central office code file.

Rate centers and local calling in Hollis

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

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

Who does business near Hollis

Hollis is part of the Manchester-Nashua, NH metro area, home to 430,000 people in 2024. County Business Patterns counted 11,028 business establishments in the Manchester, NH metro area in 2023, employing 186,868 people. The largest sectors by establishment count are retail trade (1,488), construction (1,383), and professional, scientific, and technical services (1,202).

Selected industries in the Manchester, NH metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants3658,22322.5
Limited-service restaurants3054,77115.6
Landscaping services2451,1934.9
Physician practices2283,77216.5
Residential remodelers2175642.6
Plumbing, heating and air-conditioning contractors2061,9889.7
Dental offices1981,7789.0
Law offices1941,4627.5

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

A Hollis number on Callata

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 Hollis, 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 17 users, the rounded average establishment size in the Manchester, NH metro area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

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 Hollis, NH?

603. All exchanges NANPA lists for Hollis are in 603.

How many phone companies have exchanges in Hollis?

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

Can I keep my existing Hollis 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 Hollis?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).