There are 641 phone number prefixes within area code 661. Additionally, there are more than 4,300 phone numbers in this area code that have received at least one user report. The location of calls from area code 661 is California, USA. Most numbers in this area code are in US Pacific time, where the time is currently 4:52:38 PM on July 18, 2025.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 661-912 | Bakersfield:main Da, CA | Teleport Communications America, Llc - Ca |
| 661-916 | Lancaster, CA | New Cingular Wireless Pcs, Llc |
| 661-917 | Lancaster, CA | New Cingular Wireless Pcs, Llc |
| 661-918 | Palmdale:palmdale Da, CA | 33 Wireless Inc. |
| 661-922 | Delano, CA | Fractel, Llc |
| 661-925 | California | |
| 661-927 | Mcfarland, CA | Level 3 Telecom Of California, Lp - Ca |
| 661-932 | Bakersfield:main Da, CA | At&t - Local |
| 661-933 | Bakersfield:north Da, CA | Fractel, Llc |
| 661-934 | Arvin, CA | Ton80 Communications, Llc |
| 661-936 | Palmdale:palmdale Da, CA | T-mobile Usa, Inc. |
| 661-940 | Lancaster, CA | Frontier California Inc. |
| 661-941 | Lancaster, CA | Time Warner Cbl Info Svcs (ca) Dba Time Warner Cab |
| 661-942 | Lancaster, CA | Frontier California Inc. |
| 661-943 | Lancaster, CA | Frontier California Inc. |
| 661-944 | Palmdale:palmdale Da, CA | Pacific Bell |
| 661-945 | Lancaster, CA | Frontier California Inc. |
| 661-946 | Lancaster, CA | Frontier California Inc. |
| 661-947 | Palmdale:palmdale Da, CA | Pacific Bell |
| 661-948 | Lancaster, CA | Frontier California Inc. |
| 661-949 | Lancaster, CA | Frontier California Inc. |
| 661-950 | California | |
| 661-951 | Lancaster, CA | Frontier California Inc. |
| 661-952 | Lancaster, CA | Level 3 Communications, Llc - Ca |
| 661-955 | Arvin, CA | Fractel, Llc |
| 661-958 | California | |
| 661-959 | California | |
| 661-964 | Santa Clarita: Newhall-castaic Da, CA | Us Telepacific Corp. - Ca |
| 661-965 | Palmdale:palmdale Da, CA | New Cingular Wireless Pcs, Llc |
| 661-966 | Palmdale:palmdale Da, CA | American Messaging Services, Llc |
| 661-972 | Tehachapi, CA | New Cingular Wireless Pcs, Llc |
| 661-974 | Lancaster, CA | Pacific Bell (competitive) |
| 661-976 | California | |
| 661-977 | Santa Clarita: Saugus Cnyn-cntry Da, CA | Level 3 Communications, Llc - Ca |
| 661-978 | Bakersfield:main Da, CA | Sprint Spectrum, L.p. |
| 661-979 | Bakersfield:main Da, CA | Sprint Spectrum, L.p. |
| 661-988 | California | |
| 661-992 | Palmdale:palmdale Da, CA | New Cingular Wireless Pcs, Llc |
| 661-993 | Santa Clarita: Newhall-castaic Da, CA | New Cingular Wireless Pcs, Llc |
| 661-998 | Palmdale:palmdale Da, CA | Teleport Communications America, Llc - Ca |
| 661-999 | Edwards, CA | Onvoy, Llc - Ca |
July 5, 2025