Phone numbers in Cypress, California
Cypress has 57 phone prefixes in area codes 657, 714.
Biggest holders: AT&T (local phone), Verizon Wireless, T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 42%
- Local phone company 28%
- Internet / business phone carrier 28%
- Phone company 2%
Every prefix in Cypress
Search the first six digits of a number in this list. If it's here, the number started in Cypress with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 657-213 | Peerless Network Of California | Internet / business phone carrier | 2017 |
| 657-214 | Bandwidth | Internet / business phone carrier | 2010 |
| 657-222 | Onvoy | Internet / business phone carrier | – |
| 657-238 | T-Mobile (including Sprint) | Mobile carrier | 2014 |
| 657-256 | Onvoy | Internet / business phone carrier | – |
| 657-298 | Verizon Wireless | Mobile carrier | 2015 |
| 657-337 | AT&T Enterprises | Phone company | 2016 |
| 657-413 | MCImetro (Verizon Business) | Internet / business phone carrier | 2019 |
| 657-465 | AT&T Mobility | Mobile carrier | – |
| 657-508 | T-Mobile (including Sprint) | Mobile carrier | 2021 |
| 657-556 | T-Mobile (including Sprint) | Mobile carrier | 2021 |
| 657-573 | Verizon Wireless | Mobile carrier | 2022 |
| 657-603 | Verizon Wireless | Mobile carrier | 2022 |
| 657-613 | Bandwidth | Internet / business phone carrier | 2022 |
| 657-620 | Bandwidth | Internet / business phone carrier | 2022 |
| 657-625 | T-Mobile (including Sprint) | Mobile carrier | 2022 |
| 657-644 | Fractel | Internet / business phone carrier | 2020 |
| 657-689 | Verizon Wireless | Mobile carrier | 2023 |
| 657-705 | T-Mobile (including Sprint) | Mobile carrier | 2023 |
| 657-743 | Verizon Wireless | Mobile carrier | 2024 |
| 657-762 | AT&T Mobility | Mobile carrier | 2024 |
| 657-777 | Bandwidth | Internet / business phone carrier | – |
| 657-801 | Verizon Wireless | Mobile carrier | 2025 |
| 657-813 | Verizon Wireless | Mobile carrier | 2025 |
| 657-818 | AT&T Mobility | Mobile carrier | 2025 |
| 657-853 | Verizon Wireless | Mobile carrier | 2026 |
| 657-883 | Verizon Wireless | Mobile carrier | 2026 |
| 714-209 | T-Mobile (including Sprint) | Mobile carrier | – |
| 714-220 | AT&T (local phone) | Local phone company | – |
| 714-226 | AT&T (local phone) | Local phone company | – |
| 714-229 | AT&T (local phone) | Local phone company | – |
| 714-236 | AT&T (local phone) | Local phone company | – |
| 714-243 | Tpx Communications | Internet / business phone carrier | – |
| 714-252 | AT&T (local phone) | Local phone company | – |
| 714-484 | AT&T (local phone) | Local phone company | – |
| 714-503 | AT&T (local phone) | Local phone company | – |
| 714-527 | AT&T (local phone) | Local phone company | – |
| 714-699 | Verizon Wireless | Mobile carrier | 2008 |
| 714-713 | Verizon Wireless | Mobile carrier | 2001 |
| 714-715 | Verizon Wireless | Mobile carrier | – |
| 714-723 | T-Mobile (including Sprint) | Mobile carrier | – |
| 714-733 | IP Horizon | Internet / business phone carrier | – |
| 714-737 | MetroPCS (T-Mobile) | Mobile carrier | 2007 |
| 714-759 | T-Mobile (including Sprint) | Mobile carrier | 2007 |
| 714-761 | AT&T (local phone) | Local phone company | – |
| 714-763 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 714-816 | AT&T (local phone) | Local phone company | – |
| 714-820 | MCImetro (Verizon Business) | Internet / business phone carrier | 2001 |
| 714-821 | AT&T (local phone) | Local phone company | – |
| 714-822 | Teleport Communications America | Internet / business phone carrier | – |
| 714-826 | AT&T (local phone) | Local phone company | – |
| 714-827 | AT&T (local phone) | Local phone company | – |
| 714-828 | AT&T (local phone) | Local phone company | – |
| 714-886 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 714-947 | Teleport Communications America | Internet / business phone carrier | – |
| 714-952 | AT&T (local phone) | Local phone company | – |
| 714-995 | 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.