Phone numbers in Northridge, California
Northridge has 57 phone prefixes in area codes 747, 818.
Biggest holders: AT&T (local phone), T-Mobile (including Sprint), AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 21%
- Local phone company 40%
- Internet / business phone carrier 35%
- Phone company 4%
Every prefix in Northridge
Search the first six digits of a number in this list. If it's here, the number started in Northridge with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 747-202 | Level 3 (Lumen) | Internet / business phone carrier | 2013 |
| 747-206 | AT&T Mobility | Mobile carrier | 2016 |
| 747-216 | Bandwidth | Internet / business phone carrier | 2016 |
| 747-224 | MCImetro (Verizon Business) | Internet / business phone carrier | 2009 |
| 747-235 | AT&T Mobility | Mobile carrier | 2014 |
| 747-237 | T-Mobile (including Sprint) | Mobile carrier | 2015 |
| 747-244 | AT&T Mobility | Mobile carrier | 2017 |
| 747-278 | Shelcomm | Phone company | 2018 |
| 747-347 | MetroPCS (T-Mobile) | Mobile carrier | 2023 |
| 747-352 | T-Mobile (including Sprint) | Mobile carrier | 2024 |
| 747-356 | Fractel | Internet / business phone carrier | 2020 |
| 747-365 | T-Mobile (including Sprint) | Mobile carrier | 2024 |
| 747-366 | Fractel | Internet / business phone carrier | 2022 |
| 747-390 | Onvoy | Internet / business phone carrier | 2026 |
| 747-745 | Teleport Communications America | Internet / business phone carrier | 2022 |
| 747-755 | Integrated Path Communications | Phone company | 2017 |
| 747-786 | Fractel | Internet / business phone carrier | 2020 |
| 747-799 | Fractel | Internet / business phone carrier | 2021 |
| 747-836 | TON80 Communications | Internet / business phone carrier | 2022 |
| 818-280 | Tpx Communications | Internet / business phone carrier | – |
| 818-341 | AT&T (local phone) | Local phone company | – |
| 818-349 | AT&T (local phone) | Local phone company | – |
| 818-350 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 818-357 | T-Mobile (including Sprint) | Mobile carrier | – |
| 818-407 | AT&T (local phone) | Local phone company | – |
| 818-428 | Teleport Communications America | Internet / business phone carrier | – |
| 818-435 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 818-477 | AT&T (local phone) | Local phone company | – |
| 818-527 | MetroPCS (T-Mobile) | Mobile carrier | 2009 |
| 818-534 | Tpx Communications | Internet / business phone carrier | – |
| 818-576 | AT&T (local phone) | Local phone company | – |
| 818-586 | Teleport Communications America | Internet / business phone carrier | – |
| 818-626 | MetroPCS (T-Mobile) | Mobile carrier | 2007 |
| 818-671 | Tpx Communications | Internet / business phone carrier | – |
| 818-677 | AT&T (local phone) | Local phone company | – |
| 818-678 | AT&T (local phone) | Local phone company | – |
| 818-700 | AT&T (local phone) | Local phone company | – |
| 818-701 | AT&T (local phone) | Local phone company | – |
| 818-709 | AT&T (local phone) | Local phone company | – |
| 818-717 | AT&T (local phone) | Local phone company | – |
| 818-718 | AT&T (local phone) | Local phone company | – |
| 818-721 | Tpx Communications | Internet / business phone carrier | – |
| 818-725 | AT&T (local phone) | Local phone company | – |
| 818-727 | AT&T (local phone) | Local phone company | – |
| 818-734 | AT&T (local phone) | Local phone company | – |
| 818-739 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 818-772 | AT&T (local phone) | Local phone company | – |
| 818-773 | AT&T (local phone) | Local phone company | – |
| 818-775 | AT&T (local phone) | Local phone company | – |
| 818-812 | IP Horizon | Internet / business phone carrier | – |
| 818-818 | T-Mobile (including Sprint) | Mobile carrier | 2015 |
| 818-882 | AT&T (local phone) | Local phone company | – |
| 818-885 | AT&T (local phone) | Local phone company | – |
| 818-886 | AT&T (local phone) | Local phone company | – |
| 818-960 | AT&T Mobility | Mobile carrier | 2014 |
| 818-993 | AT&T (local phone) | Local phone company | – |
| 818-998 | AT&T (local phone) | Local phone company | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.