628 Area Code

San Francisco, California

San Francisco, California is the largest city covered by the 628 Area Code

Current Time

Pacific Time Zone

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628 Area Code Overview & Map

The 628 area code is assigned to parts of the San Francisco Bay Area in California, USA. It is an overlay area code that was introduced to supplement the existing 415 area code. Overlay codes are added when the demand for telephone numbers exceeds the availability within an existing area code. Therefore, 628 serves the same geographic region as 415, covering areas such as San Francisco, Marin County, and portions of San Mateo County.

When was the 628 Area Code created?

The 628 area code was first put into service in 2015, by the North American Numbering Plan Administration (NANPA). Learn more about the US Area Code System

History

The 628 area code was created from the 415 area code, to meet the growing demand for new telephone numbers in California.

Where is the 628 Area Code located?

The 628 area code serves San Francisco, California and the surrounding areas.

Overlays

The 628 is an overlay for the 415 area code(s), and serves the same area. Learn about overlays

628 Area Code Map

628 Area Code Map

Cities in the 628 Area Code

The 628 area code includes 32 cites in California.

City Population % in Area Code
San Francisco, CA 805,235 59%
Daly City, CA 101,123 16%
San Rafael, CA 57,713 100%
Novato, CA 51,904 99%
Mill Valley, CA 13,903 100%
San Anselmo, CA 12,336 100%
Larkspur, CA 11,926 100%
Tamalpais-Homestead Valley, CA 10,735 100%
Corte Madera, CA 9,253 100%
Tiburon, CA 8,962 100%
Fairfax, CA 7,441 100%
Sausalito, CA 7,061 100%
Kentfield, CA 6,485 100%
Lucas Valley-Marinwood, CA 6,094 100%
Strawberry, CA 5,393 100%
Santa Venetia, CA 4,292 100%
Brisbane, CA 4,282 58%
Marin City, CA 2,666 100%
Ross, CA 2,415 100%
Sleepy Hollow, CA 2,384 100%
Belvedere, CA 2,068 100%
Lagunitas-Forest Knolls, CA 1,819 100%
Bolinas, CA 1,620 100%
Woodacre, CA 1,348 100%
Black Point-Green Point, CA 1,306 100%
Inverness, CA 1,304 100%
Point Reyes Station, CA 848 60%
Alto, CA 711 100%
Stinson Beach, CA 632 100%
San Geronimo, CA 446 100%
Muir Beach, CA 310 100%
Nicasio, CA 96 100%

628 Area Code NXX Prefixes

The 628 Area Code (NPA Code) has 156 prefixes (NXX Code). An NXX prefix, also known as a central office code or exchange code, is the three-digit code that follows the area code in a North American telephone number. Learn about NXX Prefixes

Area Code Prefix Usage Carrier Rate Center
628 200 Landline Onvoy, LLC - Ca San Francisco
628 201 Landline Onvoy, LLC - Ca San Francisco
628 202 Landline T-Mobile USA, Inc. Belvedere
628 203 Landline Onvoy, LLC - Ca Stinson Beach
628 204 Landline T-Mobile USA, Inc. Nicasio
628 205 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 206 Landline Pacific Bell San Francisco
628 207 Landline Bandwidth.com Clec, LLC - Ca San Francisco
628 208 Landline Vonage America LLC San Francisco
628 209 Landline Telnyx LLC Novato
628 210 Landline Peerless Network Of California, LLC - Ca Inverness
628 212 Landline Bandwidth.com Clec, LLC - Ca Corte Madera
628 213 Landline T-Mobile USA, Inc. San Francisco
628 214 Landline Peerless Network Of California, LLC - Ca Novato
628 215 Landline Bandwidth.com Clec, LLC - Ca Mill Valley
628 216 Landline Bandwidth.com Clec, LLC - Ca Pointreyes
628 217 Landline Teleport Communications America, LLC - Ca San Francisco
628 218 Landline Mcimetro Access Transmission Services LLC - Ca San Francisco
628 219 Wireless New Cingular Wireless Pcs, LLC San Francisco
628 220 Landline Level 3 Communications, LLC - Ca San Francisco
628 221 Landline Centurylink Communications, LLC San Francisco
628 222 Landline Onvoy, LLC - Ca San Francisco
628 223 Landline Teleport Communications America, LLC - Ca San Francisco
628 224 Wireless New Cingular Wireless Pcs, LLC San Francisco
628 225 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 226 Wireless New Cingular Wireless Pcs, LLC Belvedere
628 227 Landline Bandwidth.com Clec, LLC - Ca San Francisco
628 228 Landline Pacific Bell San Francisco
628 229 Landline Onvoy, LLC - Ca Pointreyes
628 230 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 231 Landline Teleport Communications America, LLC - Ca San Francisco
628 232 Landline Peerless Network Of California, LLC - Ca Inverness
628 233 Wireless New Cingular Wireless Pcs, LLC San Francisco
628 234 Landline U.s. Telepacific Corp. DBA Tpx Communications San Rafael
628 235 Landline Level 3 Communications, LLC - Ca San Francisco
628 236 Landline T-Mobile USA, Inc. Novato
628 237 Landline T-Mobile USA, Inc. Sausalito
628 238 Landline Peerless Network Of California, LLC - Ca Ignacio
628 239 Landline Bandwidth.com Clec, LLC - Ca San Francisco
628 240 Landline Metropcs, Inc. San Rafael
628 241 Landline T-Mobile USA, Inc. San Francisco
628 242 Landline Pacific Bell San Francisco
628 243 Landline Onvoy, LLC - Ca San Rafael
628 244 Landline Peerless Network Of California, LLC - Ca Belvedere
628 245 Landline Onvoy, LLC - Ca Mill Valley
628 246 Landline Bandwidth.com Clec, LLC - Ca San Francisco
628 247 Landline Teleport Communications America, LLC - Ca San Francisco
628 248 Landline Teleport Communications America, LLC - Ca San Francisco
628 249 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 250 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 251 Landline Peerless Network Of California, LLC - Ca San Francisco
628 252 Landline T-Mobile USA, Inc. Corte Madera
628 253 Landline Bandwidth.com Clec, LLC - Ca San Rafael
628 254 Landline Bandwidth.com Clec, LLC - Ca Sausalito
628 255 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 256 Landline Sonic Telecom, LLC - Ca San Francisco
628 257 Landline Race Telecommunications, Inc. - Ca Mill Valley
628 258 Landline T-Mobile USA, Inc. Nicasio
628 259 Wireless New Cingular Wireless Pcs, LLC Ignacio
628 260 Landline Teleport Communications America, LLC - Ca San Francisco
628 261 Landline Terra Nova Telecom Inc. Baker
628 262 Landline Exiant Communications LLC Belvedere
628 263 Landline Mcimetro Access Transmission Services LLC - Ca San Francisco
628 264 Landline T-Mobile USA, Inc. San Francisco
628 265 Landline Bandwidth.com Clec, LLC - Ca Inverness
628 266 Landline Bandwidth.com Clec, LLC - Ca Corte Madera
628 267 Landline Teleport Communications America, LLC - Ca San Francisco
628 268 Landline Level 3 Communications, LLC - Ca San Francisco
628 269 Landline T-Mobile USA, Inc. San Rafael
628 270 Landline Sonic Telecom, LLC - Ca San Francisco
628 271 Landline Onvoy Spectrum, LLC San Francisco
628 272 Landline Onvoy, LLC - Ca Pointreyes
628 273 Landline Level 3 Communications, LLC - Ca San Francisco
628 274 Landline Level 3 Communications, LLC - Ca San Francisco
628 275 Landline Level 3 Communications, LLC - Ca San Francisco
628 276 Landline Whitesky Communications, LLC San Francisco
628 277 Landline Telnyx LLC San Rafael
628 278 Wireless New Cingular Wireless Pcs, LLC San Francisco
628 279 Landline Bandwidth.com Clec, LLC - Ca Sausalito
628 280 Landline Sonic Telecom, LLC - Ca San Francisco
628 281 Landline Nuso, LLC San Francisco
628 282 Landline AT&T - Local San Francisco
628 283 Landline T-Mobile USA, Inc. San Francisco
628 284 Landline Paetec Communications, Inc. - Ca San Francisco
628 285 Landline Onvoy, LLC - Ca San Rafael
628 286 Landline Wide Voice, LLC - Ca San Francisco
628 287 Landline Five9, Inc. San Francisco
628 288 Landline Fractel, LLC Mill Valley
628 299 Landline Fractel, LLC San Francisco
628 300 Landline Onvoy, LLC - Ca San Francisco
628 313 Landline T-Mobile USA, Inc. San Rafael
628 321 Landline Teleport Communications America, LLC - Ca San Francisco
628 322 Landline Teleport Communications America, LLC - Ca San Francisco
628 323 Landline Teleport Communications America, LLC - Ca San Francisco
628 324 Landline Teleport Communications America, LLC - Ca San Francisco
628 325 Landline Teleport Communications America, LLC - Ca San Francisco
628 326 Landline Teleport Communications America, LLC - Ca San Francisco
628 333 Landline Onvoy, LLC - Ca San Francisco
628 336 Landline Fractel, LLC San Rafael
628 345 Landline Fractel, LLC Pointreyes
628 348 Landline Fractel, LLC Belvedere
628 356 Landline Fractel, LLC Nicasio
628 358 Landline T-Mobile USA, Inc. San Francisco
628 363 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 377 Landline Fractel, LLC Ignacio
628 386 Landline Fractel, LLC Corte Madera
628 388 Landline Fractel, LLC Inverness
628 399 Landline Fractel, LLC San Francisco
628 400 Landline Onvoy, LLC - Ca San Francisco
628 432 Landline Fractel, LLC San Francisco
628 433 Landline Bandwidth.com Clec, LLC - Ca Ignacio
628 444 Landline Onvoy, LLC - Ca San Francisco
628 465 Landline Fractel, LLC Sausalito
628 466 Landline Wavenation, LLC San Francisco
628 468 Landline Skye Telecom LLC DBA Skyetel San Francisco
628 477 Landline Fractel, LLC Mill Valley
628 488 Landline Fractel, LLC San Francisco
628 500 Landline Onvoy, LLC - Ca San Rafael
628 502 Wireless Cellco Partnership DBA Verizon Wireless - Ca San Francisco
628 529 Landline Fractel, LLC San Francisco
628 561 Landline Peerless Network Of California, LLC - Ca Stinson Beach
628 577 Landline Fractel, LLC Nicasio
628 587 Landline Fractel, LLC Novato
628 588 Landline Fractel, LLC San Francisco
628 600 Landline Onvoy, LLC - Ca Hesperia
628 626 Landline Onvoy, LLC - Ca San Francisco
628 628 Landline Fractel, LLC San Francisco
628 629 Landline Hd Carrier LLC San Francisco
628 652 Landline Teleport Communications America, LLC - Ca San Francisco
628 666 Landline Onvoy, LLC - Ca Ignacio
628 667 Landline Fractel, LLC San Rafael
628 677 Landline Fractel, LLC Mill Valley
628 682 Landline Twilio International, Inc. Novato
628 688 Landline Fractel, LLC San Francisco
628 699 Landline Fractel, LLC Sausalito
628 724 Landline Fractel, LLC Belvedere
628 732 Landline Fractel, LLC San Francisco
628 754 Landline Teleport Communications America, LLC - Ca San Francisco
628 758 Landline Fractel, LLC San Francisco
628 766 Landline Fractel, LLC Stinson Beach
628 777 Landline Onvoy, LLC - Ca San Francisco
628 786 Landline Fractel, LLC San Francisco
628 788 Landline Fractel, LLC San Francisco
628 789 Landline Leap Telecom, LLC San Francisco
628 800 Landline Onvoy, LLC - Ca San Francisco
628 842 Landline Fractel, LLC Corte Madera
628 866 Landline Fractel, LLC Belvedere
628 867 Landline Commio, LLC San Francisco
628 877 Landline Onvoy, LLC - Ca Corte Madera
628 888 Landline Onvoy, LLC - Ca San Rafael
628 895 Landline Rclec, Inc. San Francisco
628 899 Landline Peerless Network Of California, LLC - Ca San Francisco
628 900 Landline Onvoy, LLC - Ca San Francisco
628 946 Landline Fractel, LLC San Francisco
628 977 Landline Fractel, LLC San Francisco
628 999 Landline Onvoy, LLC - Ca San Francisco