CallataGuidesGet a local business phone number in Colchester, CT
Colchester's area codes, prefixes and carriers from NANPA records, and how to put a Colchester number in front of your customers.
- Area code
- 860 / 959
- Exchanges
- 5NANPA-assigned
- Carriers
- 5
- Population
- 15,752Census 2024 est.
Colchester area codes
With 15,752 residents in the Census 2024 estimate, Colchester sits in Southeastern Connecticut Planning Region, Connecticut. NANPA lists 5 exchanges for its rate center across 2 area codes; 860 has the most (3, 60%). 860 is part of an overlay with 959, so a new local number in Colchester may carry any of those codes depending on which have numbers available. Colchester is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 860 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Colchester exchanges by carrier
5 carriers hold the 5 exchanges assigned to Colchester's rate center. Teleport Communications America, LLC - CT has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Colchester can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Teleport Communications America, LLC - CT | 1 | 20% |
| Southern New England Telco d/b/a Frontier Comm of CT | 1 | 20% |
| Comcast Ip Phone, LLC | 1 | 20% |
| Bandwidth.com CLEC, LLC - CT | 1 | 20% |
| Onvoy Spectrum, LLC | 1 | 20% |
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.
Colchester phone prefixes
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Colchester. The earliest assignment date recorded in the file for these codes is 2012. 1 of the 5 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 860 | 531, 537, 603 |
| 959 | 207, 410 |
Source: NANPA utilized central office code file.
When Colchester's exchanges were assigned
Assignment dates show when each block of Colchester numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 2 | 67% |
| 2020s | 1 | 33% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Colchester
NANPA ties every exchange to a rate center. For Colchester that is COLCHESTER, so a number from one of these exchanges reads as local to people in and around Colchester.
If your business already has a Colchester number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Colchester is part of the Norwich-New London-Willimantic, CT metro area, home to 283,000 people in 2024. County Business Patterns counted 5,883 business establishments in the Norwich, CT metro area in 2023, employing 100,654 people. The largest sectors by establishment count are retail trade (974), health care and social assistance (840), and accommodation and food services (781).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 303 | 6,087 | 20.1 |
| Limited-service restaurants | 239 | 3,352 | 14.0 |
| Physician practices | 152 | 1,923 | 12.7 |
| Landscaping services | 128 | 462 | 3.6 |
| Law offices | 118 | 551 | 4.7 |
| Dental offices | 97 | 820 | 8.5 |
| Plumbing, heating and air-conditioning contractors | 95 | 557 | 5.9 |
| Beer, wine and liquor stores | 85 | 425 | 5.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Colchester
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
If you already have a number in Colchester, 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 Norwich, CT 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.
| Provider (plan) | Pricing basis | Per month | Per 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 Colchester, CT?
Colchester has exchanges in 860 and 959; 860 has the most.
How many phone companies have exchanges in Colchester?
5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Colchester 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 Colchester?
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).