CallataGuidesGet a local business phone number in Martinsville, IN
Martinsville's area code, prefixes and carriers from NANPA records, and how to put a Martinsville number in front of your customers.
- Area code
- 765
- Exchanges
- 15NANPA-assigned
- Carriers
- 9
- Population
- 11,952Census 2024 est.
Area codes in Martinsville
With 11,952 residents in the Census 2024 estimate, Martinsville sits in Morgan County, Indiana. All 15 exchanges NANPA lists for its rate center are in area code 765. Martinsville is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 765 are dialed as seven digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 765 | 15 | 100% | 1997 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Martinsville exchanges by carrier
9 carriers hold the 15 exchanges assigned to Martinsville's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 3. 12 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| New Cingular Wireless PCS, LLC - Il | 3 | 20% |
| Indiana Bell Tel CO INC | 3 | 20% |
| Cellco Partnership d/b/a Verizon Wireless - In | 3 | 20% |
| Metropcs, INC. | 1 | 6.7% |
| Level 3 Telecom of Indiana, LP - In | 1 | 6.7% |
| Level 3 Communications, LLC - In | 1 | 6.7% |
| Omnipoint Communications Midwest Operations, LLC | 1 | 6.7% |
| Paetec Itel, LLC | 1 | 6.7% |
| Onvoy, LLC - In | 1 | 6.7% |
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 Martinsville
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Martinsville. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 15 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 765 | 315, 318, 341, 342, 343, 346, 349, 352, 516, 558, 792, 813, 823, 877, 913 |
Source: NANPA utilized central office code file.
When Martinsville's exchanges were assigned
The table groups Martinsville's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 2 | 50% |
| 2020s | 2 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Martinsville
NANPA ties every exchange to a rate center. For Martinsville that is MARTINSVL, so a number from one of these exchanges reads as local to people in and around Martinsville.
New local numbers are drawn from carrier inventory, so the exact 765 numbers available change over time; porting an existing number is free.
Who does business near Martinsville
Martinsville is part of the Indianapolis-Carmel-Greenwood, IN metro area, home to 2.2 million people in 2024. County Business Patterns counted 51,076 business establishments in the Indianapolis, IN metro area in 2023, employing 982,448 people. The largest sectors by establishment count are health care and social assistance (6,448), retail trade (5,880), and professional, scientific, and technical services (5,803).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 1,779 | 36,961 | 20.8 |
| Full-service restaurants | 1,613 | 40,114 | 24.9 |
| Offices of real estate agents and brokers | 1,308 | 3,371 | 2.6 |
| Physician practices | 1,136 | 25,332 | 22.3 |
| Insurance agencies and brokerages | 994 | 7,073 | 7.1 |
| Law offices | 877 | 6,169 | 7.0 |
| Residential remodelers | 831 | 3,115 | 3.7 |
| Dental offices | 824 | 7,446 | 9.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Martinsville
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.
Porting a number you already use in Martinsville is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Indianapolis, IN metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $379.00 | $4,548.00 |
| Quo (Starter) | $19.00 per user | $361.00 | $4,332.00 |
| Nextiva (Core) | $23.00 per user | $437.00 | $5,244.00 |
| Ooma (Office Pro) | $24.95 per user | $474.05 | $5,688.60 |
| Dialpad (Standard) | $27.00 per user | $513.00 | $6,156.00 |
| RingCentral (RingEX Core) | $30.00 per user | $570.00 | $6,840.00 |
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 Martinsville, IN?
765. All exchanges NANPA lists for Martinsville are in 765.
How many phone companies have exchanges in Martinsville?
9, holding 15 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Martinsville 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 Martinsville?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).