Get a local business phone number in Norwalk, CA
Norwalk's area code, prefixes and carriers from NANPA records, and how to put a Norwalk number in front of your customers.
- Area code
- 562
- Exchanges
- 100NANPA-assigned
- Carriers
- 23
- Population
- 98,230Census 2024 est.
Norwalk area codes
With 98,230 residents in the Census 2024 estimate, Norwalk sits in Los Angeles County, California. All 100 exchanges NANPA lists for its rate center are in area code 562. Norwalk is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 562 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 562 | 100 | 100% | 1997 | none | Pacific |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Norwalk phone exchanges
23 carriers hold the 100 exchanges assigned to Norwalk's rate center. Frontier California INC. has the most, with 36. 69 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Norwalk can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Frontier California INC. | 36 | 36% |
| T-mobile USA, INC. | 9 | 9.0% |
| New Cingular Wireless PCS, LLC | 8 | 8.0% |
| Onvoy, LLC - CA | 7 | 7.0% |
| U.s. Telepacific Corp. d/b/a TPX Communications | 6 | 6.0% |
| Bandwidth.com CLEC, LLC - CA | 5 | 5.0% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 5 | 5.0% |
| Mcimetro Access Transmission Services LLC | 3 | 3.0% |
| Metropcs Networks, LLC | 3 | 3.0% |
| TWC Ip Enabled Services, LLC | 2 | 2.0% |
| Charter Ip Enabled Services, LLC | 2 | 2.0% |
| Spok, INC. | 2 | 2.0% |
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.
Norwalk phone prefixes
These are the central office codes NANPA records for Norwalk. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 17 of the 100 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 562 | 202, 207, 210, 215, 219, 226, 227, 228, 229, 239, 246, 262, 263, 274, 278, 281, 282, 288, 292, 293, 307, 345, 348, 356, 376, 379, 402, 403, 404, 405, 406, 407, 409, 410, 412, 455, 461, 462, 465, 466, 467, 468, 474, 483, 484, 503, 521, 526, 539, 547, 559, 562, 564, 565, 569, 574, 584, 603, 613, 623, 638, 645, 647, 649, 650, 651, 653, 660, 667, 669, 677, 707, 709, 710, 716, 727, 734, 741, 752, 802, 804, 807, 809, 860, 863, 864, 865, 866, 867, 868, 888, 916, 920, 921, 924, 925, 926, 929, 977, 991 |
Source: NANPA utilized central office code file.
When Norwalk's exchanges were assigned
The table groups Norwalk's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 6 | 19% |
| 2010s | 9 | 28% |
| 2020s | 17 | 53% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Norwalk
What a caller sees as "local" is the area code plus prefix. In Norwalk, those come from the NORWALK rate center, as recorded by NANPA.
If your business already has a Norwalk number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Norwalk is part of the Los Angeles-Long Beach-Anaheim, CA metro area, home to 12.9 million people in 2024. County Business Patterns counted 411,949 business establishments in the Los Angeles, CA metro area in 2023, employing 5,568,514 people. The largest sectors by establishment count are professional, scientific, and technical services (61,848), health care and social assistance (53,869), and retail trade (38,838).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Physician practices | 13,775 | 86,725 | 6.3 |
| Limited-service restaurants | 12,756 | 218,098 | 17.1 |
| Law offices | 11,330 | 74,795 | 6.6 |
| Full-service restaurants | 11,133 | 237,368 | 21.3 |
| Dental offices | 9,296 | 50,762 | 5.5 |
| Offices of real estate agents and brokers | 8,931 | 19,620 | 2.2 |
| Management consulting firms | 8,377 | 36,309 | 4.3 |
| Insurance agencies and brokerages | 5,786 | 31,913 | 5.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Norwalk number on Callata
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.
Porting a number you already use in Norwalk 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.
The comparison below uses 14 users, the rounded average establishment size in the Los Angeles, CA 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. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.
| 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 Norwalk, CA?
562. All exchanges NANPA lists for Norwalk are in 562.
How many phone companies have exchanges in Norwalk?
23, holding 100 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Norwalk 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 Norwalk?
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).