Area code 330
Where 330 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.
- State
- OH
- In service
- 1996
- Assigned codes
- 787of 800 possible
- Carriers
- 35
Where area code 330 is
Area code 330 is a geographic area code in Ohio, in service since March 9, 1996, according to the North American Numbering Plan Administrator (NANPA). It is an overlay: 330 and 234 cover the same territory, so neighbors on the same street can have different area codes. It is in the Eastern time zone. The places with the most assigned exchanges include Akron, Youngstown, Canton, Warren, and Wooster. By population, its largest named places are Akron, Canton, Youngstown, Warren, and Brunswick.
| Item | Value |
|---|---|
| State | Ohio |
| In service since | March 9, 1996 |
| Assigned by NANPA | November 17, 1995 |
| Overlay | Yes, with 234 |
| Parent area code (NANPA) | 216 |
| Time zone | Eastern |
| Local calls within the code | ten digits (area code plus number) |
| Assigned central office codes | 787 |
| Rate centers with codes | 117 |
| Carriers holding codes | 35 |
| Pooled codes | 455 |
| Codes assigned since 2020 | 13 |
| Relief planning in progress | No |
Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.
Where 330 numbers are local
330 holds 11% of the 7,301 central office codes assigned in Ohio, the most of any code in the state. 94 Census places could be matched to rate centers with 330 exchanges; the most populous are Akron (190,000), Canton (69,211), Youngstown (59,123), and Warren (38,683). For a storefront or service area inside 330, the place pages show which prefixes are rated local there.
| Place | Population (2024) | Area codes | Exchanges | Carriers |
|---|---|---|---|---|
| Akron, OH | 189,664 | 234, 330 | 214 | 39 |
| Canton, OH | 69,211 | 234, 330 | 93 | 18 |
| Youngstown, OH | 59,123 | 234, 330 | 110 | 32 |
| Warren, OH | 38,683 | 234, 330 | 46 | 14 |
| Brunswick, OH | 35,166 | 234, 330 | 10 | 7 |
| Massillon, OH | 32,750 | 234, 330 | 20 | 10 |
| Paris, OH | 31,090 | 234, 330 | 3 | 3 |
| Kent, OH | 27,720 | 234, 330 | 26 | 10 |
| Wooster, OH | 26,982 | 234, 330 | 27 | 9 |
| Medina, OH | 25,757 | 234, 330 | 25 | 9 |
| Wadsworth, OH | 24,753 | 234, 330 | 8 | 6 |
| Hudson, OH | 23,073 | 234, 330 | 11 | 5 |
| Alliance, OH | 21,523 | 234, 330 | 22 | 11 |
| Twinsburg, OH | 19,504 | 234, 330 | 15 | 7 |
| Niles, OH | 18,238 | 234, 330 | 11 | 7 |
Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.
How calls are dialed in 330
According to NANPA's dialing-plan data, local calls within 330 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Ten-digit local dialing means the area code is part of how customers save and recognize your number, so print it in full everywhere. NANPA's dialing-plan note for this code reads: "Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS"
Phone companies in area code 330
35 carriers hold the 787 central office codes assigned in 330. Ohio Bell Tel CO has the most, with 198 (25%). 455 of the codes (58%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. Numbers can move between carriers through porting, so a code's holder tells you where the block started, not where every number lives now.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Ohio Bell Tel CO | 198 | 25% |
| Cellco Partnership d/b/a Verizon Wireless - Oh | 116 | 15% |
| New Cingular Wireless PCS, LLC - Il | 64 | 8.1% |
| T-mobile USA, INC. | 62 | 7.9% |
| Brightspeed of Northwest Ohio, INC. | 60 | 7.6% |
| Level 3 Communications, LLC - Oh | 58 | 7.4% |
| Frontier North, INC. - Oh | 56 | 7.1% |
| Windstream Western Reserve, INC. | 24 | 3.0% |
| Spok, INC. | 23 | 2.9% |
| Paetec Itel, LLC | 22 | 2.8% |
| Mcimetro Access Transmission Services LLC - Oh | 18 | 2.3% |
| American Messaging Services, LLC | 16 | 2.0% |
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.
Rate centers and towns in 330
NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 330 has codes in 117 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.
| Rate center (NANPA) | Place | Codes |
|---|---|---|
| AKRON | Akron, OH | 159 |
| YOUNGSTOWN | Youngstown, OH | 86 |
| CANTON | Canton, OH | 74 |
| WARREN | Warren, OH | 34 |
| WOOSTER | Wooster, OH | 22 |
| NEWPHLDLPH | New Philadelphia, OH | 22 |
| MEDINA | Medina, OH | 22 |
| KENT | Kent, OH | 21 |
| NO CANTON | not matched | 19 |
| ALLIANCE | Alliance, OH | 17 |
| MASSILLON | Massillon, OH | 14 |
| LISBON | Lisbon, OH | 10 |
| RAVENNA | Ravenna, OH | 9 |
| TWINSBURG | Twinsburg, OH | 9 |
| NILES | Niles, OH | 9 |
| ORRVILLE | Orrville, OH | 9 |
| ELIVERPOOL | East Liverpool, OH | 9 |
| MONTROSE | not matched | 9 |
| MANTUA | Mantua, OH | 8 |
| MILLERSBG | Millersburg, OH | 8 |
| CORTLAND | Cortland, OH | 7 |
| NORTHFIELD | Northfield Center, OH | 7 |
| BRUNSWICK | Brunswick, OH | 6 |
| HARTVILLE | Hartville, OH | 6 |
| AURORA | Aurora, OH | 5 |
Top 25 of 117 rate centers.
Number supply in 330
An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 787 are assigned in 330, 98% of 800. 13 were assigned in 2020 or later.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 158 | 84% |
| 2010s | 16 | 8.6% |
| 2020s | 13 | 7.0% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Using area code 330 for business calls
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 area code 330, 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.
Frequently asked questions
Where is area code 330?
330 is a geographic area code in Ohio. Places with the most assigned exchanges include Akron, Youngstown, Canton, and Warren.
What time zone is area code 330 in?
NANPA lists 330 in the Eastern time zone.
When did area code 330 go into service?
NANPA records an in-service date of March 9, 1996. The code was assigned on November 17, 1995.
Is 330 an overlay area code?
Yes. It shares its territory with 234.
Can my business get a 330 phone number?
Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 330 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.