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Get a local business phone number in Anna, OH

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

Area code
937
Exchanges
3NANPA-assigned
Carriers
3
Population
1,465Census 2024 est.

Anna area codes

Anna village is a Census place in Shelby County, Ohio, with an estimated 1,465 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 937. 937 is part of an overlay with 326, so a new local number in Anna may carry any of those codes depending on which have numbers available. Anna 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 Anna, OH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
9373100%1996326Eastern

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

Anna exchanges by carrier

3 carriers hold the 3 exchanges assigned to Anna's rate center. Brightspeed of Northwest Ohio, INC. has the most, with 1. 2 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.

Carriers holding exchanges in Anna, OH
Carrier (NANPA operating company)ExchangesShare
Brightspeed of Northwest Ohio, INC.133%
Goldstar Communications, LLC - Oh133%
TWC Ip Enabled Services, LLC133%

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.

Anna phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Anna's rate center (ANNA). The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.

Prefixes assigned in Anna, OH
Area codePrefixes (NXX)
937394, 639, 646

Source: NANPA utilized central office code file.

What makes a number local to Anna

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

Keeping an existing Anna number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 937 when you pick it.

The local business market

Anna is part of the Sidney, OH micropolitan area, home to 47,952 people in 2024. County Business Patterns counted 989 business establishments in the Sidney, OH micropolitan area in 2023, employing 24,487 people. The largest sectors by establishment count are retail trade (144), manufacturing (123), and construction (114).

Selected industries in the Sidney, OH micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Physician practices302367.9
Full-service restaurants3053417.8
Limited-service restaurants2967223.2
Insurance agencies and brokerages251014.0
Plumbing, heating and air-conditioning contractors1527818.5
Electrical contractors1450335.9
General automotive repair shops14——
Law offices13765.8

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

A Anna 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.

If you already have a number in Anna, 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Sidney, OH micropolitan area, 25 users on RingCentral RingEX Core come to $750.00 a month and on Ooma Office Pro $623.75, at month-to-month list prices checked September 28, 2026. On Callata the same 25 people cost $499.00 a month, less than either per-seat plan.

Monthly list price for a 25-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$499.00$5,988.00
Quo (Starter)$19.00 per user$475.00$5,700.00
Nextiva (Core)$23.00 per user$575.00$6,900.00
Ooma (Office Pro)$24.95 per user$623.75$7,485.00
Dialpad (Standard)$27.00 per user$675.00$8,100.00
RingCentral (RingEX Core)$30.00 per user$750.00$9,000.00

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 Anna, OH?

937. All exchanges NANPA lists for Anna are in 937.

How many phone companies have exchanges in Anna?

3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Anna 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 Anna?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 25 users come to $499.00 a month. For comparison, 25 users on RingCentral RingEX Core list at $750.00 a month (checked September 28, 2026).