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Get a local business phone number in Defiance, OH

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

Area code
419
Exchanges
13NANPA-assigned
Carriers
7
Population
17,180Census 2024 est.

What area code is Defiance, OH?

With 17,180 residents in the Census 2024 estimate, Defiance sits in Defiance County, Ohio. All 13 exchanges NANPA lists for its rate center are in area code 419. 419 is part of an overlay with 567, so a new local number in Defiance may carry any of those codes depending on which have numbers available. Defiance is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 419 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Defiance, OH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
41913100%1947567Eastern

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

Phone carriers in Defiance

7 carriers hold the 13 exchanges assigned to Defiance's rate center. Brightspeed of Northwest Ohio, INC. has the most, with 4. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Defiance can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Defiance, OH
Carrier (NANPA operating company)ExchangesShare
Brightspeed of Northwest Ohio, INC.431%
Cellco Partnership d/b/a Verizon Wireless - Oh323%
New Cingular Wireless PCS, LLC - Il215%
Metropcs, INC.17.7%
Omnipoint Communications Midwest Operations, LLC17.7%
Level 3 Communications, LLC - Oh17.7%
Qualstar Communications, INC. - Oh17.7%

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.

Local prefixes for Defiance

These are the central office codes NANPA records for Defiance. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

Prefixes assigned in Defiance, OH
Area codePrefixes (NXX)
419438, 439, 576, 769, 770, 782, 783, 784, 785, 789, 956, 980, 990

Source: NANPA utilized central office code file.

How local numbers work in Defiance

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

Keeping an existing Defiance number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 419 when you pick it.

Who does business near Defiance

Defiance is part of the Defiance, OH micropolitan area, home to 38,644 people in 2024. County Business Patterns counted 813 business establishments in the Defiance, OH micropolitan area in 2023, employing 13,708 people. The largest sectors by establishment count are retail trade (136), other services (except public administration) (122), and health care and social assistance (86).

Selected industries in the Defiance, OH micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants3080026.7
Full-service restaurants2754520.2
Insurance agencies and brokerages20894.5
Physician practices16——
General automotive repair shops13403.1
Law offices11423.8
Landscaping services11——
Site preparation contractors9151.7

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

Business phone service in Defiance

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Defiance 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.

A 17-person team is the benchmark here, the rounded average establishment size in the Defiance, OH micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer 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 Defiance, OH?

419. All exchanges NANPA lists for Defiance are in 419.

How many phone companies have exchanges in Defiance?

7, holding 13 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Defiance 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 Defiance?

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).