Get a local business phone number in Carthage, NY
Carthage's area codes, prefixes and carriers from NANPA records, and how to put a Carthage number in front of your customers.
- Area code
- 315 / 680
- Exchanges
- 6NANPA-assigned
- Carriers
- 5
- Population
- 3,257Census 2024 est.
What area code is Carthage, NY?
Carthage, in Jefferson County, New York, had a Census-estimated population of 3,257 in July 2024. NANPA lists 6 exchanges for its rate center across 2 area codes; 315 has the most (4, 67%). 315 is part of an overlay with 680, so a new local number in Carthage may carry any of those codes depending on which have numbers available. Carthage is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 315 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).
Who holds Carthage phone exchanges
5 carriers hold the 6 exchanges assigned to Carthage's rate center. Bandwidth.com CLEC, LLC - NY has the most, with 2. 6 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Bandwidth.com CLEC, LLC - NY | 2 | 33% |
| Verizon New York, INC. | 1 | 17% |
| Paetec Itel, LLC | 1 | 17% |
| Ip Horizon LLC | 1 | 17% |
| Onvoy Spectrum, LLC | 1 | 17% |
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 Carthage
These are the central office codes NANPA records for Carthage. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 6 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 315 | 493, 519, 544, 979 |
| 680 | 309, 770 |
Source: NANPA utilized central office code file.
When Carthage's exchanges were assigned
Assignment dates show when each block of Carthage numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 20% |
| 2010s | 2 | 40% |
| 2020s | 2 | 40% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Carthage
NANPA ties every exchange to a rate center. For Carthage that is CARTHAGE, so a number from one of these exchanges reads as local to people in and around Carthage.
If your business already has a Carthage number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Carthage
Carthage is part of the Watertown-Fort Drum, NY metro area, home to 113,000 people in 2024. County Business Patterns counted 2,348 business establishments in the Watertown, NY metro area in 2023, employing 28,622 people. The largest sectors by establishment count are retail trade (422), accommodation and food services (307), and construction (264).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 111 | 1,415 | 12.7 |
| Limited-service restaurants | 88 | 1,590 | 18.1 |
| Residential remodelers | 61 | — | — |
| Physician practices | 48 | 572 | 11.9 |
| Landscaping services | 35 | 80 | 2.3 |
| Insurance agencies and brokerages | 33 | 246 | 7.5 |
| Hotels and motels | 33 | 523 | 15.8 |
| Dental offices | 31 | 350 | 11.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Carthage number on Callata
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 Carthage, 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 12 users, the rounded average establishment size in the Watertown, NY metro area. At list prices checked September 28, 2026, that is $299.40 a month on Ooma Office Pro and $360.00 on RingCentral RingEX Core. On Callata the same 12 people cost $239.00 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 | $239.00 | $2,868.00 |
| Quo (Starter) | $19.00 per user | $228.00 | $2,736.00 |
| Nextiva (Core) | $23.00 per user | $276.00 | $3,312.00 |
| Ooma (Office Pro) | $24.95 per user | $299.40 | $3,592.80 |
| Dialpad (Standard) | $27.00 per user | $324.00 | $3,888.00 |
| RingCentral (RingEX Core) | $30.00 per user | $360.00 | $4,320.00 |
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 Carthage, NY?
Carthage has exchanges in 315 and 680; 315 has the most.
How many phone companies have exchanges in Carthage?
5, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Carthage 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 Carthage?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 12 users come to $239.00 a month. For comparison, 12 users on RingCentral RingEX Core list at $360.00 a month (checked September 28, 2026).