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Get a local business phone number in Dayton, OH

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

Area code
937 / 326
Exchanges
263NANPA-assigned
Carriers
39
Population
136,346Census 2024 est.

Dayton area codes

Dayton, in Montgomery County, Ohio, had a Census-estimated population of 136,346 in July 2024. NANPA lists 263 exchanges for its rate center across 2 area codes; 937 has the most (251, 95%). 937 is part of an overlay with 326, so a new local number in Dayton may carry any of those codes depending on which have numbers available. Dayton is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 937 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Dayton, OH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
93725195%1996326Eastern
326124.6%2020937Eastern

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

Dayton exchanges by carrier

39 carriers hold the 263 exchanges assigned to Dayton's rate center. Ohio Bell Tel CO has the most, with 81. 145 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.

Carriers holding exchanges in Dayton, OH
Carrier (NANPA operating company)ExchangesShare
Ohio Bell Tel CO8131%
T-mobile USA, INC.3413%
New Cingular Wireless PCS, LLC - Il3313%
Cellco Partnership d/b/a Verizon Wireless - Oh3212%
Level 3 Telecom of Ohio, LLC - Oh103.8%
Spok, INC.93.4%
Cincinnati Bell Extended Territories LLC - Oh62.3%
TWC Ip Enabled Services, LLC51.9%
Onvoy, LLC - Oh51.9%
Onvoy Spectrum, LLC41.5%
American Messaging Services, LLC41.5%
Paetec Itel, LLC41.5%

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 Dayton

These are the central office codes NANPA records for Dayton. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 18 of the 263 were assigned in 2020 or later.

Prefixes assigned in Dayton, OH
Area codePrefixes (NXX)
326202, 203, 204, 207, 212, 213, 220, 235, 239, 435, 467, 880
937201, 203, 204, 208, 212, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 231, 232, 233, 234, 235, 236, 237, 238, 239, 241, 242, 245, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 262, 263, 266, 267, 268, 269, 270, 271, 272, 274, 275, 276, 277, 278, 279, 281, 282, 285, 286, 287, 290, 291, 293, 294, 296, 297, 298, 299, 301, 304, 305, 307, 312, 313, 321, 329, 331, 333, 334, 341, 344, 345, 356, 359, 361, 367, 369, 371, 380, 389, 395, 396, 397, 401, 406, 409, 413, 414, 416, 422, 424, 425, 428, 430, 432, 433, 434, 435, 436, 438, 439, 443, 445, 449, 455, 457, 461, 463, 469, 470, 474, 475, 476, 477, 478, 479, 480, 485, 487, 495, 496, 499, 503, 510, 512, 516, 518, 519, 520, 522, 528, 531, 534, 535, 542, 545, 546, 554, 558, 559, 567, 572, 580, 581, 586, 602, 603, 604, 607, 608, 609, 610, 613, 620, 623, 626, 627, 628, 630, 636, 637, 640, 641, 643, 647, 648, 654, 656, 657, 660, 668, 671, 672, 673, 674, 677, 681, 684, 689, 694, 701, 713, 716, 718, 723, 732, 734, 739, 741, 750, 751, 759, 760, 762, 776, 781, 784, 789, 791, 793, 800, 802, 809, 813, 814, 815, 818, 823, 824, 825, 829, 830, 838, 850, 853, 856, 867, 901, 902

First 240 of 263 prefixes. Source: NANPA.

When Dayton's exchanges were assigned

The table groups Dayton's exchanges by the decade NANPA recorded them as assigned.

Dayton, OH: exchanges by decade assigned
Decade assignedExchangesShare
2000s2736%
2010s3040%
2020s1824%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Rate centers and local calling in Dayton

What a caller sees as "local" is the area code plus prefix. In Dayton, those come from the DAYTON rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 937 numbers available change over time; porting an existing number is free.

Businesses around Dayton

Dayton is part of the Dayton-Kettering-Beavercreek, OH metro area, home to 822,000 people in 2024. County Business Patterns counted 16,372 business establishments in the Dayton, OH metro area in 2023, employing 330,420 people. The largest sectors by establishment count are retail trade (2,323), health care and social assistance (2,284), and other services (except public administration) (1,787).

Selected industries in the Dayton, OH metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants75815,47120.4
Physician practices5188,38716.2
Full-service restaurants47513,37728.2
Insurance agencies and brokerages2771,3274.8
Landscaping services2501,9867.9
Dental offices2422,3849.9
Law offices2311,6717.2
Plumbing, heating and air-conditioning contractors2242,67011.9

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

A Dayton number on Callata

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Dayton 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.

The comparison below uses 20 users, the rounded average establishment size in the Dayton, OH metro area. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. Callata comes to $399.00 a month for 20 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 20-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$399.00$4,788.00
Quo (Starter)$19.00 per user$380.00$4,560.00
Nextiva (Core)$23.00 per user$460.00$5,520.00
Ooma (Office Pro)$24.95 per user$499.00$5,988.00
Dialpad (Standard)$27.00 per user$540.00$6,480.00
RingCentral (RingEX Core)$30.00 per user$600.00$7,200.00

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 Dayton, OH?

Dayton has exchanges in 937 and 326; 937 has the most.

How many phone companies have exchanges in Dayton?

39, holding 263 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Dayton 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 Dayton?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 20 users come to $399.00 a month. For comparison, 20 users on RingCentral RingEX Core list at $600.00 a month (checked September 28, 2026).