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Get a local business phone number in Washington, IN

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

Area code
812 / 930
Exchanges
10NANPA-assigned
Carriers
7
Population
139,113Census 2024 est.

Washington area codes

Washington, in Marion County, Indiana, had a Census-estimated population of 139,113 in July 2024. NANPA lists 10 exchanges for its rate center across 2 area codes; 812 has the most (8, 80%). 812 is part of an overlay with 930, so a new local number in Washington may carry any of those codes depending on which have numbers available. Washington is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 812 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Washington, IN
Area codeExchanges hereShareIn service sinceOverlay withTime zone
812880%1947930Eastern and Central
930220%2015812Eastern

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

Washington exchanges by carrier

7 carriers hold the 10 exchanges assigned to Washington's rate center. Indiana Bell Tel CO INC has the most, with 2. 8 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 Washington, IN
Carrier (NANPA operating company)ExchangesShare
Indiana Bell Tel CO INC220%
New Cingular Wireless PCS, LLC - Il220%
Cellco Partnership d/b/a Verizon Wireless - In220%
Omnipoint Communications Midwest Operations, LLC110%
Paetec Itel, LLC110%
Level 3 Communications, LLC - In110%
Ton80 Communications, LLC110%

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 Washington

These are the central office codes NANPA records for Washington. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 10 were assigned in 2020 or later.

Prefixes assigned in Washington, IN
Area codePrefixes (NXX)
812254, 257, 259, 610, 617, 642, 674, 698
930283, 466

Source: NANPA utilized central office code file.

When Washington's exchanges were assigned

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

Washington, IN: exchanges by decade assigned
Decade assignedExchangesShare
2000s467%
2020s233%

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

What makes a number local to Washington

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

New local numbers are drawn from carrier inventory, so the exact 812 numbers available change over time; porting an existing number is free.

The local business market

Washington 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).

Selected industries in the Indianapolis, IN metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants1,77936,96120.8
Full-service restaurants1,61340,11424.9
Offices of real estate agents and brokers1,3083,3712.6
Physician practices1,13625,33222.3
Insurance agencies and brokerages9947,0737.1
Law offices8776,1697.0
Residential remodelers8313,1153.7
Dental offices8247,4469.0

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

Business phone service in Washington

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 Washington 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 19-person team is the benchmark here, the rounded average establishment size in the Indianapolis, IN metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $570.00 a month and Ooma Office Pro $474.05. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 19-person team
Provider (plan)Pricing basisPer monthPer 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 Washington, IN?

Washington has exchanges in 812 and 930; 812 has the most.

How many phone companies have exchanges in Washington?

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

Can I keep my existing Washington 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 Washington?

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).