Area Code 925
California area code 925 has been in service since 1999. It has 438 landlines and 101 wireless prefixes (exchanges) serviced by 31 carriers. It covers 8 counties, 829 ZIP codes, and 31 cities, including Concord, Walnut Creek, Livermore, Pleasanton, Antioch, San Ramon, Danville, Brentwood, and Pittsburg.
- State:
- California
- Time Zone:
- Pacific (1:07 pm)
Area Code (925) has 539 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (925) 200- | Alameda | Pleasanton | Cellco Partnership Dba Veri... | Cell Phone |
| (925) 201- | Alameda | Pleasanton | Mpower Communications Corp.... | Landline |
| (925) 202- | Contra Costa | Concord | Sprint Spectrum L.p. | Cell Phone |
| (925) 203- | Contra Costa | San Ramon | Blue Licenses Holding, Llc | Cell Phone |
| (925) 204- | Contra Costa | Orinda | Arch Wireless Holdings, Inc. | Cell Phone |
| (925) 205- | Contra Costa | Antioch | Network Services Llc | Landline |
| (925) 206- | Contra Costa | Antioch | Unknown | Landline |
| (925) 207- | Contra Costa | Antioch | Sprint Spectrum L.p. | Cell Phone |
| (925) 208- | Contra Costa | San Ramon | Teleport Communications Gro... | Landline |
| (925) 209- | Alameda | Pleasanton | Sprint Spectrum L.p. | Cell Phone |
| (925) 210- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 212- | Contra Costa | Walnut Creek | Blue Licenses Holding, Llc | Cell Phone |
| (925) 215- | Alameda | Livermore | Broadwing Communicatins. Ll... | Landline |
| (925) 216- | Alameda | Pleasanton | Blue Licenses Holding, Llc | Cell Phone |
| (925) 217- | Contra Costa | Danville | Broadwing Communicatins. Ll... | Landline |
| (925) 218- | Alameda | Pleasanton | Broadwing Communicatins. Ll... | Landline |
| (925) 219- | Contra Costa | Antioch | Broadwing Communicatins. Ll... | Landline |
| (925) 223- | Alameda | Pleasanton | Mcimetro, Ats, Inc. | Landline |
| (925) 224- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 225- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 226- | Alameda | Pleasanton | Xo California, Inc. | Landline |
| (925) 227- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 228- | Contra Costa | Briones | Pacific Bell | Landline |
| (925) 229- | Contra Costa | Briones | Pacific Bell | Landline |
| (925) 230- | Contra Costa | San Ramon | Level 3 Communications, Llc... | Landline |
| (925) 231- | Contra Costa | Briones | Level 3 Communications, Llc... | Landline |
| (925) 232- | Contra Costa | Concord | Level 3 Communications, Llc... | Landline |
| (925) 233- | Contra Costa | Alamo | Level 3 Communications, Llc... | Landline |
| (925) 234- | Contra Costa | Antioch | Level 3 Communications, Llc... | Landline |
| (925) 235- | Contra Costa | Moraga | Level 3 Communications, Llc... | Landline |
| (925) 236- | Contra Costa | San Ramon | Broadwing Communicatins. Ll... | Landline |
| (925) 237- | Alameda | Fremont | Xo California, Inc. | Landline |
| (925) 238- | Contra Costa | Antioch | Unknown | Landline |
| (925) 240- | Contra Costa | Brentwood | Pacific Bell | Landline |
| (925) 241- | Alameda | Dublin | Mcimetro, Ats, Inc. | Landline |
| (925) 242- | Contra Costa | San Ramon | Pacific Bell | Landline |
| (925) 243- | Alameda | Livermore | Pacific Bell | Landline |
| (925) 244- | Contra Costa | San Ramon | Pacific Bell | Landline |
| (925) 245- | Alameda | Livermore | Pacific Bell | Landline |
| (925) 246- | Contra Costa | Clyde | Pacific Bell | Landline |
| (925) 247- | Contra Costa | Moraga | Pacific Bell | Landline |
| (925) 248- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 249- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 250- | Contra Costa | Concord | Nextel Communications, Inc. | Cell Phone |
| (925) 251- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 252- | Contra Costa | Bay Point | Pacific Bell | Landline |
| (925) 253- | Contra Costa | Orinda | Pacific Bell | Landline |
| (925) 254- | Contra Costa | Orinda | Pacific Bell | Landline |
| (925) 255- | Contra Costa | Walnut Creek | Mci Worldcom Communications... | Landline |
| (925) 256- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 257- | Contra Costa | Clyde | Mcimetro, Ats, Inc. | Landline |
| (925) 258- | Contra Costa | Orinda | Pacific Bell | Landline |
| (925) 259- | Contra Costa | Bay Point | Xo California, Inc. | Landline |
| (925) 260- | Contra Costa | Walnut Creek | Nextel Communications, Inc. | Cell Phone |
| (925) 261- | Contra Costa | Bay Point | Pacific Bell | Landline |
| (925) 262- | Contra Costa | Walnut Creek | Global Crossing Local Servi... | Landline |
| (925) 263- | Contra Costa | Blackhawk | Global Crossing Local Servi... | Landline |
| (925) 264- | Alameda | Pleasanton | Global Crossing Local Servi... | Landline |
| (925) 265- | Contra Costa | Concord | Global Crossing Local Servi... | Landline |
| (925) 266- | Alameda | Pleasanton | Unknown | Landline |
| (925) 267- | Contra Costa | Bay Point | Xo California, Inc. | Landline |
| (925) 268- | Contra Costa | Briones | Xo California, Inc. | Landline |
| (925) 269- | Contra Costa | Briones | Xo California, Inc. | Landline |
| (925) 270- | Contra Costa | Concord | Broadwing Communicatins. Ll... | Landline |
| (925) 271- | Alameda | Pleasanton | Teleport Communications Gro... | Landline |
| (925) 272- | Contra Costa | Danville | Level 3 Communications, Llc... | Landline |
| (925) 273- | Alameda | Livermore | Xo California, Inc. | Landline |
| (925) 274- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 275- | Contra Costa | San Ramon | Pacific Bell | Landline |
| (925) 276- | Alameda | Dublin | Xo California, Inc. | Landline |
| (925) 277- | Contra Costa | San Ramon | Pacific Bell | Landline |
| (925) 279- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 280- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 281- | Contra Costa | Antioch | Pac - West Telecomm, Inc. | Landline |
| (925) 282- | Contra Costa | Lafayette | Mcimetro, Ats, Inc. | Landline |
| (925) 283- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 284- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 285- | Contra Costa | Walnut Creek | Blue Licenses Holding, Llc | Cell Phone |
| (925) 286- | Contra Costa | Walnut Creek | Blue Licenses Holding, Llc | Cell Phone |
| (925) 287- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 288- | Contra Costa | Concord | Pacific Bell | Landline |
| (925) 290- | Alameda | Livermore | Xo California, Inc. | Landline |
| (925) 291- | Contra Costa | Bay Point | Xo California, Inc. | Landline |
| (925) 292- | Alameda | Livermore | Comcast Phone Of California... | Landline |
| (925) 293- | Contra Costa | San Ramon | Pac - West Telecomm, Inc. | Landline |
| (925) 294- | Alameda | Livermore | Pacific Bell | Landline |
| (925) 295- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 296- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 297- | Contra Costa | Lafayette | Xo California, Inc. | Landline |
| (925) 298- | Contra Costa | Briones | Mci Worldcom Communications... | Landline |
| (925) 299- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 300- | Santa Clara | San Jose | 01 Communications, Inc. - Ca | Landline |
| (925) 301- | Contra Costa | Antioch | 01 Communications, Inc. - Ca | Landline |
| (925) 302- | Contra Costa | San Ramon | Time Warner Telecom Of Cali... | Landline |
| (925) 303- | Contra Costa | Antioch | Time Warner Telecom Of Cali... | Landline |
| (925) 304- | Contra Costa | Concord | Level 3 Communications, Llc... | Landline |
| (925) 305- | Contra Costa | Antioch | Time Warner Telecom Of Cali... | Landline |
| (925) 306- | Alameda | Livermore | Arch Wireless Holdings, Inc. | Cell Phone |
| (925) 307- | Alameda | Dublin | Time Warner Telecom Of Cali... | Landline |
| (925) 308- | Contra Costa | Brentwood | Time Warner Telecom Of Cali... | Landline |
