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Area Code 925
California area code 925 has been in service since 1999. It has 363 landlines and 100 wireless prefixes (exchanges) serviced by 33 carriers. It covers 2 counties, 640 ZIP codes, and 23 cities, including Concord, Walnut Creek, Livermore, Antioch, Pleasanton, Pittsburg, San Ramon, Danville, and Martinez.
- State:
- California
- Time Zone:
- Pacific (7:44 am)
Area Code (925) has 464 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- | Alameda | Pleasanton | Sprint Spectrum L.p. | Cell Phone |
| (925) 203- | Alameda | Livermore | New Cingular Wireless Pcs, Llc | Cell Phone |
| (925) 205- | Contra Costa | Martinez | American Messaging Services... | Landline |
| (925) 206- | Contra Costa | Antioch | Cellco Partnership Dba Veri... | Cell Phone |
| (925) 207- | Contra Costa | Antioch | Sprint Spectrum L.p. | Cell Phone |
| (925) 208- | Contra Costa | Danville | Teleport Communications Gro... | Landline |
| (925) 209- | Alameda | Dublin | Sprint Spectrum L.p. | Cell Phone |
| (925) 210- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 212- | Contra Costa | Concord | New Cingular Wireless Pcs, Llc | Cell Phone |
| (925) 214- | Contra Costa | Walnut Creek | American Messaging Services... | Landline |
| (925) 215- | Alameda | Livermore | Broadwing Communications, L... | Landline |
| (925) 216- | Contra Costa | San Ramon | New Cingular Wireless Pcs, Llc | Cell Phone |
| (925) 217- | Contra Costa | Danville | Broadwing Communications, L... | Landline |
| (925) 218- | Alameda | Pleasanton | Broadwing Communications, L... | Landline |
| (925) 219- | Contra Costa | Antioch | Broadwing Communications, L... | Landline |
| (925) 222- | Contra Costa | Walnut Creek | Cf Communications, Llc Dba... | Landline |
| (925) 223- | Alameda | Pleasanton | Mcimetro Access Transmissio... | Landline |
| (925) 224- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 225- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 226- | Contra Costa | Concord | Xo California, Inc. | Landline |
| (925) 227- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 228- | Contra Costa | Martinez | Pacific Bell | Landline |
| (925) 229- | Contra Costa | Martinez | Pacific Bell | Landline |
| (925) 230- | Alameda | Dublin | Level 3 Communications, Llc... | Landline |
| (925) 231- | Contra Costa | Martinez | Level 3 Communications, Llc... | Landline |
| (925) 232- | Contra Costa | Pittsburg | Level 3 Communications, Llc... | Landline |
| (925) 233- | Alameda | Livermore | 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- | Alameda | Dublin | Broadwing Communications, L... | Landline |
| (925) 237- | Contra Costa | Walnut Creek | Xo California, Inc. | Landline |
| (925) 238- | Contra Costa | Antioch | Comcast Phone Of California... | Landline |
| (925) 240- | Contra Costa | Brentwood | Pacific Bell | Landline |
| (925) 241- | San Mateo | San Mateo | Mcimetro Access Transmissio... | 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 | Concord | Pacific Bell | Landline |
| (925) 247- | Contra Costa | Moraga | Pacific Bell | Landline |
| (925) 248- | Alameda | Dublin | Pacific Bell | Landline |
| (925) 249- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 250- | Contra Costa | Lafayette | Nextel Communications, Inc. | Cell Phone |
| (925) 251- | Alameda | Pleasanton | Pacific Bell | Landline |
| (925) 252- | Contra Costa | Pittsburg | Pacific Bell | Landline |
| (925) 253- | Contra Costa | Orinda | Pacific Bell | Landline |
| (925) 254- | Contra Costa | Orinda | Pacific Bell | Landline |
| (925) 256- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 257- | Contra Costa | Antioch | Mcimetro Access Transmissio... | Landline |
| (925) 258- | Contra Costa | Orinda | Pacific Bell | Landline |
| (925) 260- | Contra Costa | Walnut Creek | Nextel Communications, Inc. | Cell Phone |
| (925) 261- | Contra Costa | Pittsburg | Pacific Bell | Landline |
| (925) 262- | Contra Costa | Walnut Creek | Global Crossing Local Servi... | Landline |
| (925) 263- | Contra Costa | Danville | Global Crossing Local Servi... | Landline |
| (925) 264- | Fairfield | Greenwich | Global Crossing Local Servi... | Landline |
| (925) 265- | Contra Costa | Concord | Global Crossing Local Servi... | Landline |
| (925) 267- | Contra Costa | Pittsburg | Xo California, Inc. | Landline |
| (925) 268- | Contra Costa | Walnut Creek | Xo California, Inc. | Landline |
| (925) 269- | Contra Costa | Martinez | Xo California, Inc. | Landline |
| (925) 270- | Contra Costa | Concord | Broadwing Communications, L... | Landline |
| (925) 271- | Alameda | Pleasanton | Teleport Communications Gro... | Landline |
| (925) 272- | Contra Costa | Danville | Level 3 Communications, Llc... | Landline |
| (925) 273- | Alameda | Pleasanton | Xo California, Inc. | Landline |
| (925) 274- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 275- | Contra Costa | San Ramon | Pacific Bell | Landline |
| (925) 276- | San Benito | Hollister | Xo California, Inc. | Landline |
| (925) 277- | Contra Costa | San Ramon | Pacific Bell | Landline |
| (925) 279- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 280- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 281- | Contra Costa | Antioch | Pac - West Telecomm, Inc. | Landline |
| (925) 283- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 284- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 285- | Contra Costa | Danville | New Cingular Wireless Pcs, Llc | Cell Phone |
| (925) 286- | Contra Costa | Concord | New Cingular Wireless Pcs, Llc | Cell Phone |
| (925) 287- | Contra Costa | Walnut Creek | Pacific Bell | Landline |
| (925) 288- | Contra Costa | Concord | Pacific Bell | Landline |
| (925) 289- | Alameda | Pleasanton | Ymax Communications Corp. - Ca | Landline |
| (925) 290- | Alameda | Livermore | Xo California, Inc. | Landline |
| (925) 291- | Contra Costa | Pittsburg | Xo California, Inc. | Landline |
| (925) 292- | Alameda | Livermore | Comcast Phone Of California... | Landline |
| (925) 293- | Contra Costa | Martinez | Pac - West Telecomm, Inc. | Landline |
| (925) 294- | Alameda | Livermore | Pacific Bell | Landline |
| (925) 295- | Contra Costa | Walnut Creek | 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 | Concord | Mci Worldcom Communications... | Landline |
| (925) 299- | Contra Costa | Lafayette | Pacific Bell | Landline |
| (925) 300- | Contra Costa | Walnut Creek | O1 Communications, Inc. - Ca | Landline |
| (925) 301- | Contra Costa | Antioch | O1 Communications, Inc. - Ca | Landline |
| (925) 303- | Contra Costa | Antioch | Tw Telecom Of California Lp... | Landline |
| (925) 304- | Contra Costa | Concord | Level 3 Communications, Llc... | Landline |
| (925) 305- | Contra Costa | Pleasant Hill | Tw Telecom Of California Lp... | Landline |
| (925) 307- | San Francisco | San Francisco | Tw Telecom Of California Lp... | Landline |
| (925) 308- | Contra Costa | Brentwood | Tw Telecom Of California Lp... | Landline |
| (925) 309- | Contra Costa | Danville | Tw Telecom Of California Lp... | Landline |
| (925) 310- | Contra Costa | Lafayette | Tw Telecom Of California Lp... | Landline |
| (925) 313- | Contra Costa | Martinez | Pacific Bell | Landline |
| (925) 314- | Contra Costa | Danville | Pacific Bell | Landline |
