CallataGuides

Get a local business phone number in Littleton, NH

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

Area code
603
Exchanges
6NANPA-assigned
Carriers
6
Population
6,032Census 2024 est.

Littleton area codes

Littleton town is a Census town in Grafton County, New Hampshire, with an estimated 6,032 residents in 2024. All 6 exchanges NANPA lists for its rate center are in area code 603. Littleton 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 Littleton, NH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
6036100%1947noneEastern

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

Phone carriers in Littleton

6 carriers hold the 6 exchanges assigned to Littleton's rate center. Level 3 Communications, LLC - NH has the most, with 1. 5 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 Littleton, NH
Carrier (NANPA operating company)ExchangesShare
Level 3 Communications, LLC - NH117%
Consolidated Comm of No. New England-nh117%
Mcimetro Access Transmission Services LLC - NH117%
United States Cellular - NH117%
Freedom Ring Communications, LLC117%
Bell Atlantic Mobile, INC117%

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 Littleton

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Littleton. The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.

Prefixes assigned in Littleton, NH
Area codePrefixes (NXX)
603259, 444, 575, 616, 761, 991

Source: NANPA utilized central office code file.

What makes a number local to Littleton

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

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

Businesses around Littleton

Littleton is part of the Lebanon-Claremont, NH-VT micropolitan area, home to 225,000 people in 2024. County Business Patterns counted 6,513 business establishments in the Lebanon, NH-VT micropolitan area in 2023, employing 91,598 people. The largest sectors by establishment count are retail trade (966), construction (909), and accommodation and food services (735).

Selected industries in the Lebanon, NH-VT micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants2343,79216.2
Landscaping services2058244.0
Residential remodelers1705303.1
Limited-service restaurants1571,91112.2
Site preparation contractors1335344.0
Electrical contractors1215564.6
Plumbing, heating and air-conditioning contractors1135945.3
General automotive repair shops1123613.2

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

Business phone service in Littleton

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 Littleton, 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.

A 14-person team is the benchmark here, the rounded average establishment size in the Lebanon, NH-VT micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $420.00 a month and Ooma Office Pro $349.30. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.

Monthly list price for a 14-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$279.00$3,348.00
Quo (Starter)$19.00 per user$266.00$3,192.00
Nextiva (Core)$23.00 per user$322.00$3,864.00
Ooma (Office Pro)$24.95 per user$349.30$4,191.60
Dialpad (Standard)$27.00 per user$378.00$4,536.00
RingCentral (RingEX Core)$30.00 per user$420.00$5,040.00

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 Littleton, NH?

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

How many phone companies have exchanges in Littleton?

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

Can I keep my existing Littleton 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 Littleton?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).