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Get a local business phone number in Fort Madison, IA

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

Area code
319
Exchanges
11NANPA-assigned
Carriers
7
Population
9,983Census 2024 est.

Fort Madison area codes

Fort Madison, in Lee County, Iowa, had a Census-estimated population of 9,983 in July 2024. All 11 exchanges NANPA lists for its rate center are in area code 319. Fort Madison is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 319 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Fort Madison, IA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
31911100%1947noneCentral

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

Fort Madison exchanges by carrier

7 carriers hold the 11 exchanges assigned to Fort Madison's rate center. Cellco Partnership d/b/a Verizon Wireless - Ia has the most, with 3. 9 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 Fort Madison, IA
Carrier (NANPA operating company)ExchangesShare
Cellco Partnership d/b/a Verizon Wireless - Ia327%
Onvoy, LLC - Ia218%
Qwest Corporation218%
Local Telephone Data Services Corp.19.1%
United States Cellular - Ia19.1%
T-mobile USA, INC.19.1%
New Cingular Wireless PCS, LLC - Il19.1%

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.

Fort Madison phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Fort Madison. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 11 were assigned in 2020 or later.

Prefixes assigned in Fort Madison, IA
Area codePrefixes (NXX)
319246, 250, 308, 316, 371, 372, 376, 417, 470, 561, 669

Source: NANPA utilized central office code file.

When Fort Madison's exchanges were assigned

Assignment dates show when each block of Fort Madison numbers was added to the local supply.

Fort Madison, IA: exchanges by decade assigned
Decade assignedExchangesShare
2000s360%
2020s240%

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

How local numbers work in Fort Madison

NANPA ties every exchange to a rate center. For Fort Madison that is FT MADISON, so a number from one of these exchanges reads as local to people in and around Fort Madison.

If your business already has a Fort Madison number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

The local business market

Fort Madison is part of the Fort Madison, IA micropolitan area, home to 32,376 people in 2024. County Business Patterns counted 786 business establishments in the Fort Madison, IA micropolitan area in 2023, employing 13,101 people. The largest sectors by establishment count are retail trade (107), health care and social assistance (96), and other services (except public administration) (94).

Selected industries in the Fort Madison, IA micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants2728610.6
Physician practices20——
Limited-service restaurants1847526.4
Drinking places17643.8
Insurance agencies and brokerages16654.1
Plumbing, heating and air-conditioning contractors15946.3
Child day care services14936.6
Residential remodelers12675.6

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

Business phone service in Fort Madison

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.

If you already have a number in Fort Madison, 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.

The comparison below uses 17 users, the rounded average establishment size in the Fort Madison, IA micropolitan area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

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 Fort Madison, IA?

319. All exchanges NANPA lists for Fort Madison are in 319.

How many phone companies have exchanges in Fort Madison?

7, holding 11 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Fort Madison 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 Fort Madison?

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).