California, United States
Pacific Time
10:23 PM
Area Code
424
State / Province
California
Country
United States
Time Zone
Pacific Time
Area code 424 covers 14 cities and communities across California, based on telephone company rate center data.
Use the E.164 format for clickable phone links (RFC 3966):
<a href="tel:+14245550100">+14245550100</a><a href="tel:+14245550199">+14245550199</a>Look up which exchange in California a specific 424 number is homed to, and whether its block is wireline or wireless. See what a reverse lookup can establish before relying on the answer.
459 active prefixes in this area code, assigned as 4,932 thousands-blocks — pooling splits one prefix across several carriers, so each block is listed separately with the rate centre it is homed to, its carrier of record, and the switch that serves it.
Showing blocks 1–100 of 4,932
| NPA-NXX | Block | Rate centre | Type | Carrier (OCN) | Switch | LATA | LIR | Dates |
|---|---|---|---|---|---|---|---|---|
| 424-200 | 0 | Hawthorne | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-200 | 1 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | 2 | Hawthorne | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-200 | 3 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | 4 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | 5 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | 6 | Hawthorne | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-200 | 7 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | 8 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | 9 | Hawthorne | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-200 | A | Hawthorne | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-201 | 0 | Torrance | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-201 | 1 | Torrance | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-201 | 2 | Torrance | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
| 424-201 | 3 | Torrance | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-201 | 4 | Torrance | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-201 | 5 | Torrance | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-201 | 6 | Torrance | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-201 | 7 | Torrance | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-201 | 8 | Torrance | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-201 | 9 | Torrance | Wireless | NEW CINGULAR WIRELESS PCS, LLC (6010) | COMMERCE | 730 | — | — |
| 424-201 | A | Torrance | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-202 | 0 | Beverly Hills | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-202 | 1 | Beverly Hills | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-202 | 2 | Beverly Hills | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-202 | 3 | Beverly Hills | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-202 | 4 | Beverly Hills | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-202 | 5 | Beverly Hills | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-202 | 6 | Beverly Hills | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-202 | 7 | Beverly Hills | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-202 | 8 | Beverly Hills | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-202 | 9 | Beverly Hills | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-202 | A | Beverly Hills | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6006) | BLTNCAADGMD | 730 | — | — |
| 424-203 | 0 | Lomita | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-203 | 1 | Lomita | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-203 | 2 | Lomita | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-203 | 3 | Lomita | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-203 | 4 | Lomita | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
| 424-203 | 5 | Lomita | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - CA (981E) | LSANCA039MD | 730 | — | — |
| 424-203 | 6 | Lomita | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
| 424-203 | 7 | Lomita | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-203 | 8 | Lomita | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-203 | 9 | Lomita | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGB7MD | 730 | — | — |
| 424-203 | A | Lomita | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-204 | 0 | Beverly Hills | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-204 | 1 | Beverly Hills | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-204 | 2 | Beverly Hills | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-204 | 3 | Beverly Hills | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-204 | 4 | Beverly Hills | Landline or VoIP | TELEPORT COMMUNICATIONS AMERICA, LLC - CA (7139) | LOS ANGELES | 730 | — | — |
| 424-204 | 5 | Beverly Hills | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
| 424-204 | 6 | Beverly Hills | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
| 424-204 | 7 | Beverly Hills | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-204 | 8 | Beverly Hills | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-204 | 9 | Beverly Hills | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | SHOKCA02QMD | 730 | — | — |
| 424-204 | A | Beverly Hills | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-205 | 0 | Compton: Gardena DA | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGBGT3 | 730 | — | — |
| 424-205 | 1 | Compton: Gardena DA | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-205 | 2 | Compton: Gardena DA | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGBGT3 | 730 | — | — |
| 424-205 | 3 | Compton: Gardena DA | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGBGT3 | 730 | — | — |
| 424-205 | 4 | Compton: Gardena DA | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGB7MD | 730 | — | — |
| 424-205 | 5 | Compton: Gardena DA | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - CA (981E) | LSANCA039MD | 730 | — | — |
| 424-205 | 6 | Compton: Gardena DA | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-205 | 7 | Compton: Gardena DA | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGB7MD | 730 | — | — |
| 424-205 | 8 | Compton: Gardena DA | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGB7MD | 730 | — | — |
| 424-205 | 9 | Compton: Gardena DA | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGB7MD | 730 | — | — |
| 424-205 | A | Compton: Gardena DA | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-206 | 0 | Redondo | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGBGT3 | 730 | — | — |
| 424-206 | 1 | Redondo | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | SNMNCAXP2MD | 730 | — | — |
| 424-206 | 2 | Redondo | Landline or VoIP | COMCAST PHONE OF CALIFORNIA, LLC (394L) | ANHMCA01XRY | 730 | — | — |
| 424-206 | 3 | Redondo | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGBGT3 | 730 | — | — |
| 424-206 | 4 | Redondo | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | BLOOMINGTON | 730 | — | — |
| 424-206 | 5 | Redondo | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-206 | 6 | Redondo | Landline or VoIP | ONVOY, LLC - CA (649C) | SNMNCAXPX3Z | 730 | — | — |
| 424-206 | 7 | Redondo | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-206 | 8 | Redondo | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGBGT3 | 730 | — | — |
| 424-206 | 9 | Redondo | Landline or VoIP | COMCAST PHONE OF CALIFORNIA, LLC (394L) | ANHMCA01XRY | 730 | — | — |
| 424-206 | A | Redondo | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - CA (8826) | LOS ANGELES | 730 | — | — |
| 424-207 | 0 | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-207 | 1 | Inglewood | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
| 424-207 | 2 | Inglewood | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-207 | 3 | Inglewood | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-207 | 4 | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-207 | 5 | Inglewood | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-207 | 6 | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-207 | 7 | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-207 | 8 | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-207 | 9 | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-207 | A | Inglewood | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-208 | 0 | West Los Angeles | Landline or VoIP | ONVOY, LLC - CA (649C) | SNMNCAXPX3Z | 730 | — | — |
| 424-208 | 1 | West Los Angeles | Landline or VoIP | ONVOY, LLC - CA (649C) | SNMNCAXPX3Z | 730 | — | — |
| 424-208 | 2 | West Los Angeles | Landline or VoIP | ONVOY, LLC - CA (649C) | SNMNCAXPX3Z | 730 | — | — |
| 424-208 | 3 | West Los Angeles | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | SNMNCAXP2MD | 730 | — | — |
| 424-208 | 4 | West Los Angeles | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGBGT3 | 730 | — | — |
| 424-208 | 5 | West Los Angeles | Landline or VoIP | PAETEC ITEL, LLC (829J) | ANHMCANG5MD | 730 | — | — |
| 424-208 | 6 | West Los Angeles | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-208 | 7 | West Los Angeles | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-208 | 8 | West Los Angeles | Landline or VoIP | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (671J) | IRVNCASM1MD | 730 | — | — |
| 424-208 | 9 | West Los Angeles | Landline or VoIP | METROPCS NETWORKS, LLC (899D) | TRNECAGB7MD | 730 | — | — |
| 424-208 | A | West Los Angeles | Wireless | T-MOBILE USA, INC. (6529) | TRNECAGBGT3 | 730 | — | — |
| 424-209 | 0 | Culver City | Landline or VoIP | ONVOY, LLC - CA (649C) | LOS ANGELES | 730 | — | — |
Block-level assignments from the North American Numbering Plan administrator, via localcallingguide.com.
Assigned Prefixes
459
Assignment Blocks
4,932
Rate Centers
16
Carriers of Record
42
| Type | Blocks | Share |
|---|---|---|
| Landline | 38 | 1% |
| Landline or VoIP | 3,239 | 66% |
| Wireless | 1,655 | 34% |
| Carrier | Blocks |
|---|---|
| ONVOY, LLC - CA | 1,009 |
| T-MOBILE USA, INC. | 745 |
| BANDWIDTH.COM CLEC, LLC - CA | 616 |
| NEW CINGULAR WIRELESS PCS, LLC | 410 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 330 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 276 |
| METROPCS NETWORKS, LLC | 233 |
| TWC IP ENABLED SERVICES, LLC | 161 |
| ONVOY SPECTRUM, LLC | 159 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 130 |
| 32 other carriers | 863 |
Carrier of record for each block. Numbers ported to another carrier keep their original block assignment, so this is not a lookup of who serves a given number today.
| Rate Center | Prefixes | Blocks |
|---|---|---|
| Beverly Hills | 64 | 691 |
| Inglewood | 39 | 411 |
| Redondo | 38 | 413 |
| West Los Angeles | 36 | 390 |
| Compton: Compton DA | 35 | 372 |
| Santa Monica: Santa Monica DA | 35 | 384 |
| Compton: Gardena DA | 32 | 345 |
| San Pedro | 32 | 345 |
| Hawthorne | 27 | 296 |
| Torrance | 24 | 255 |
| Culver City | 21 | 230 |
| Santa Monica: Mar Vista DA | 20 | 206 |
| El Segundo | 18 | 192 |
| Lomita | 16 | 170 |
| Malibu | 16 | 170 |
| Avalon | 6 | 62 |
A rate center is the telephone exchange area a number is homed to. It sets local calling boundaries, and is not the caller's current location.
Area code 424 is a North American Numbering Plan (NANP) telephone area code assigned to California, United States. It is one of 41 area codes serving California. As population and demand for phone numbers grew, the region was divided into multiple numbering plan areas to avoid exhausting the available 7-digit number pool.
Yes. 424 is an active North American Numbering Plan (NANP) area code, currently assigned to California, United States. It is safe to answer or dial calls using this area code.
Area code 424 covers 14 cities and communities in California, including Avalon, Beverly Hills, Compton, Culver City, El Segundo, and 9 more localities. This is based on telephone company rate center data — the geographic areas carriers use to determine local calling boundaries and to assign numbers when a business or individual requests a phone number in a specific city.
All numbers in the 424 area code observe Pacific Time (IANA timezone: America/Los_Angeles). Pacific Time is UTC−8 in winter (PST) and UTC−7 in summer (PDT). When placing a call to a 424 number from a different time zone, check the current local time above to avoid calling outside of business hours.
From within California, dial the 7-digit local number directly if calling within the same rate center, or dial 1 + 424 + 7-digit number for long-distance calls within North America. From outside the US or Canada, dial your country's international exit code followed by 1 424 XXX XXXX. The country code for both the United States and Canada in NANP is +1.
Format 424 numbers using E.164 notation as required by RFC 3966: prefix with +1 and omit dashes and parentheses (e.g., +14245550100). This format ensures tel: links work correctly on all mobile browsers and VoIP apps. See the tel: URI formatting guide for complete examples.