CallataGuidesGet a local business phone number in Nogales, AZ
Nogales's area code, prefixes and carriers from NANPA records, and how to put a Nogales number in front of your customers.
- Area code
- 520
- Exchanges
- 31NANPA-assigned
- Carriers
- 12
- Population
- 19,965Census 2024 est.
Area codes in Nogales
With 19,965 residents in the Census 2024 estimate, Nogales sits in Santa Cruz County, Arizona. All 31 exchanges NANPA lists for its rate center are in area code 520. Nogales is in the Mountain time zone.
According to NANPA's dialing-plan data, local calls within 520 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 |
|---|---|---|---|---|---|
| 520 | 31 | 100% | 1995 | none | Mountain |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Nogales
12 carriers hold the 31 exchanges assigned to Nogales's rate center. Qwest Corporation has the most, with 9. 26 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 |
|---|---|---|
| Qwest Corporation | 9 | 29% |
| Cellco Partnership d/b/a Verizon Wireless - Az | 6 | 19% |
| T-mobile USA, INC. | 4 | 13% |
| Level 3 Communications, LLC - Az | 2 | 6.5% |
| Telnyx LLC | 2 | 6.5% |
| Onvoy, LLC - Az | 2 | 6.5% |
| MCC Telephony LLC | 1 | 3.2% |
| Ton80 Communications, LLC | 1 | 3.2% |
| Nuso, LLC | 1 | 3.2% |
| New Cingular Wireless PCS, LLC | 1 | 3.2% |
| Electric Lightwave LLC d/b/a Allstream | 1 | 3.2% |
| Metropcs, INC. | 1 | 3.2% |
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 Nogales
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Nogales. The earliest assignment date recorded in the file for these codes is 2001. 5 of the 31 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 520 | 216, 223, 264, 281, 285, 287, 313, 341, 375, 377, 394, 397, 415, 455, 470, 520, 592, 604, 619, 646, 659, 681, 761, 839, 841, 842, 860, 924, 980, 987, 988 |
Source: NANPA utilized central office code file.
When Nogales's exchanges were assigned
Assignment dates show when each block of Nogales numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 3 | 30% |
| 2010s | 2 | 20% |
| 2020s | 5 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Nogales
NANPA ties every exchange to a rate center. For Nogales that is NOGALES, so a number from one of these exchanges reads as local to people in and around Nogales.
If your business already has a Nogales number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Nogales is part of the Nogales, AZ micropolitan area, home to 50,508 people in 2024. County Business Patterns counted 1,129 business establishments in the Nogales, AZ micropolitan area in 2023, employing 11,201 people. The largest sectors by establishment count are wholesale trade (207), transportation and warehousing (182), and retail trade (154).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 37 | 444 | 12.0 |
| Limited-service restaurants | 28 | 471 | 16.8 |
| Insurance agencies and brokerages | 18 | — | — |
| General freight trucking companies (local) | 15 | — | — |
| Residential remodelers | 12 | 26 | 2.2 |
| New single-family housing construction contractors | 12 | — | — |
| Hotels and motels | 12 | 318 | 26.5 |
| Physician practices | 11 | — | — |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Nogales
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 Nogales, 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.
A 10-person team is the benchmark here, the rounded average establishment size in the Nogales, AZ micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $300.00 a month and Ooma Office Pro $249.50. On Callata the same 10 people cost $199.00 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 | $199.00 | $2,388.00 |
| Quo (Starter) | $19.00 per user | $190.00 | $2,280.00 |
| Nextiva (Core) | $23.00 per user | $230.00 | $2,760.00 |
| Ooma (Office Pro) | $24.95 per user | $249.50 | $2,994.00 |
| Dialpad (Standard) | $27.00 per user | $270.00 | $3,240.00 |
| RingCentral (RingEX Core) | $30.00 per user | $300.00 | $3,600.00 |
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 Nogales, AZ?
520. All exchanges NANPA lists for Nogales are in 520.
How many phone companies have exchanges in Nogales?
12, holding 31 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Nogales 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 Nogales?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 10 users come to $199.00 a month. For comparison, 10 users on RingCentral RingEX Core list at $300.00 a month (checked September 28, 2026).