CallataGuidesGet a local business phone number in Madrid, IA
Madrid's area code, prefixes and carriers from NANPA records, and how to put a Madrid number in front of your customers.
- Area code
- 515
- Exchanges
- 3NANPA-assigned
- Carriers
- 2
- Population
- 2,824Census 2024 est.
Madrid area codes
Madrid city is a Census place in Boone County, Iowa, with an estimated 2,824 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 515. Madrid is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 515 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 515 | 3 | 100% | 1947 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Madrid
2 carriers hold the 3 exchanges assigned to Madrid's rate center. Windstream Iowa Communications, INC. - Systems has the most, with 2. 3 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Windstream Iowa Communications, INC. - Systems | 2 | 67% |
| Onvoy Spectrum, LLC | 1 | 33% |
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 Madrid
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Madrid. The earliest assignment date recorded in the file for these codes is 2016. 1 of the 3 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 515 | 582, 714, 795 |
Source: NANPA utilized central office code file.
When Madrid's exchanges were assigned
Assignment dates show when each block of Madrid numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Madrid
NANPA ties every exchange to a rate center. For Madrid that is MADRID, so a number from one of these exchanges reads as local to people in and around Madrid.
Keeping an existing Madrid number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 515 when you pick it.
Businesses around Madrid
Madrid is part of the Ames, IA metro area, home to 129,000 people in 2024. County Business Patterns counted 2,765 business establishments in the Ames, IA metro area in 2023, employing 39,997 people. The largest sectors by establishment count are retail trade (338), other services (except public administration) (315), and accommodation and food services (307).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 89 | 1,674 | 18.8 |
| Full-service restaurants | 74 | 2,073 | 28.0 |
| Offices of real estate agents and brokers | 70 | 144 | 2.1 |
| Landscaping services | 56 | 322 | 5.8 |
| Residential remodelers | 53 | 115 | 2.2 |
| Insurance agencies and brokerages | 51 | 136 | 2.7 |
| Plumbing, heating and air-conditioning contractors | 49 | 486 | 9.9 |
| Dental offices | 35 | 325 | 9.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Madrid
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
If you already have a number in Madrid, 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 14 users, the rounded average establishment size in the Ames, IA metro area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
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 Madrid, IA?
515. All exchanges NANPA lists for Madrid are in 515.
How many phone companies have exchanges in Madrid?
2, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Madrid 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 Madrid?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).