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FRONTIER CALIFORNIA INC.
Operating Company Number (OCN): 4420
Is this carrier legit?
Carriers are telecom operating companies that own number blocks (NPA-NXX). A number showing this carrier does not guarantee the caller is that company — scam calls can spoof caller ID.
Ad Unit
Optional ad placement.Number blocks (sample)
| State | NPA | NXX | Rate center | Open |
|---|---|---|---|---|
| CA | 209 | 239 | MANTECA | Prefix |
| CA | 209 | 364 | DOS PALOS | Prefix |
| CA | 209 | 387 | DOS PALOS | Prefix |
| CA | 209 | 392 | DOS PALOS | Prefix |
| CA | 209 | 563 | SNELLING | Prefix |
| CA | 209 | 599 | RIPON | Prefix |
| CA | 209 | 759 | CLEMENTS | Prefix |
| CA | 209 | 823 | MANTECA | Prefix |
| CA | 209 | 824 | MANTECA | Prefix |
| CA | 209 | 825 | MANTECA | Prefix |
| CA | 209 | 858 | MANTECA | Prefix |
| CA | 209 | 886 | FARMINGTON | Prefix |
| CA | 209 | 887 | LINDEN | Prefix |
| CA | 408 | 842 | GILROY | Prefix |
| CA | 408 | 846 | GILROY | Prefix |
| CA | 408 | 847 | GILROY | Prefix |
| CA | 408 | 848 | GILROY | Prefix |
| CA | 442 | 363 | VTVL ADLN | Prefix |
| CA | 530 | 346 | COLFAX | Prefix |
| CA | 530 | 623 | WEAVERVL | Prefix |
| CA | 530 | 625 | HOOPA | Prefix |
| CA | 530 | 627 | ORLEANS | Prefix |
| CA | 530 | 628 | HAYFORK | Prefix |
| CA | 530 | 629 | WILLOW CRK | Prefix |
| CA | 530 | 637 | CLFX WEMR | Prefix |
| CA | 530 | 735 | KNIGHTSLDG | Prefix |
| CA | 530 | 738 | ROBBINS | Prefix |
| CA | 559 | 524 | SANGER | Prefix |
| CA | 559 | 592 | EXETER | Prefix |
| CA | 559 | 594 | EXETER | Prefix |
| CA | 559 | 597 | LEMON COVE | Prefix |
| CA | 559 | 693 | SANJOAQUIN | Prefix |
| CA | 559 | 698 | SANJOAQUIN | Prefix |
| CA | 559 | 787 | TIVYVALLEY | Prefix |
| CA | 559 | 829 | SANJOAQUIN | Prefix |
| CA | 559 | 875 | SANGER | Prefix |
| CA | 559 | 876 | SANGER | Prefix |
| CA | 559 | 949 | ALPAUGH | Prefix |
| CA | 559 | 992 | CORCORAN | Prefix |
| CA | 661 | 465 | BERENDMESA | Prefix |
| CA | 661 | 536 | GLENNVILLE | Prefix |
| CA | 661 | 548 | CLFRNHTSPG | Prefix |
| CA | 661 | 762 | MCKITTRICK | Prefix |
| CA | 661 | 763 | TAFT | Prefix |
| CA | 661 | 764 | BUTTONWLLW | Prefix |
| CA | 661 | 765 | TAFT | Prefix |
| CA | 661 | 766 | CUYAMA | Prefix |
| CA | 661 | 768 | TAFT | Prefix |
| CA | 661 | 769 | TAFT | Prefix |
| CA | 661 | 792 | MCFARLAND | Prefix |
| CA | 661 | 797 | LOST HILLS | Prefix |
| CA | 707 | 247 | PIERCY | Prefix |
| CA | 707 | 574 | MAD RIVER | Prefix |
| CA | 707 | 632 | CAZADERO | Prefix |
| CA | 707 | 785 | TMCV SERN | Prefix |
| CA | 707 | 847 | TMCV TMCV | Prefix |
| CA | 707 | 923 | GARBERVL | Prefix |
| CA | 707 | 925 | LEGGETT | Prefix |
| CA | 707 | 926 | GARBERVL | Prefix |
| CA | 707 | 983 | COVELO | Prefix |
| CA | 707 | 984 | LAYTONVL | Prefix |
| CA | 707 | 986 | WHITETHORN | Prefix |
| CA | 760 | 240 | VTVL APVY | Prefix |
| CA | 760 | 241 | VICTORVL | Prefix |
| CA | 760 | 242 | VTVL APVY | Prefix |
| CA | 760 | 243 | VICTORVL | Prefix |
| CA | 760 | 244 | VTVL HSPR | Prefix |
| CA | 760 | 245 | VICTORVL | Prefix |
| CA | 760 | 246 | VTVL ADLN | Prefix |
| CA | 760 | 247 | VTVL APVY | Prefix |
| CA | 760 | 248 | LUCERNEVLY | Prefix |
| CA | 760 | 249 | WRIGHTWOOD | Prefix |
| CA | 760 | 252 | BARSTOW | Prefix |
| CA | 760 | 253 | LENWOOD | Prefix |
| CA | 760 | 254 | BRSW YERM | Prefix |
| CA | 760 | 255 | BARSTOW | Prefix |
| CA | 760 | 256 | BARSTOW | Prefix |
| CA | 760 | 257 | NEWBERRY | Prefix |
| CA | 760 | 261 | VICTORVL | Prefix |
| CA | 760 | 269 | VICTORVL | Prefix |
| CA | 760 | 371 | RIDGECREST | Prefix |
| CA | 760 | 372 | TRONA | Prefix |
| CA | 760 | 373 | CALIFORNCY | Prefix |
| CA | 760 | 374 | RANDSBURG | Prefix |
| CA | 760 | 375 | RIDGECREST | Prefix |
| CA | 760 | 376 | KERNVILLE | Prefix |
| CA | 760 | 377 | INYOKERN | Prefix |
| CA | 760 | 378 | WELDON | Prefix |
| CA | 760 | 379 | LKISABELLA | Prefix |
| CA | 760 | 381 | VICTORVL | Prefix |
| CA | 760 | 383 | FORT IRWIN | Prefix |
| CA | 760 | 384 | RIDGECREST | Prefix |
| CA | 760 | 386 | FORT IRWIN | Prefix |
| CA | 760 | 387 | PINE CREEK | Prefix |
| CA | 760 | 388 | EL MIRAGE | Prefix |
| CA | 760 | 389 | SUMMIT VLY | Prefix |
| CA | 760 | 428 | RIDGECREST | Prefix |
| CA | 760 | 446 | RIDGECREST | Prefix |
| CA | 760 | 499 | RIDGECREST | Prefix |
| CA | 760 | 530 | VTVL ADLN | Prefix |
| CA | 760 | 549 | LKISABELLA | Prefix |
| CA | 760 | 552 | VICTORVL | Prefix |
| CA | 760 | 577 | BARSTOW | Prefix |
| CA | 760 | 647 | LEE VINING | Prefix |
| CA | 760 | 648 | JUNE LAKE | Prefix |
| CA | 760 | 762 | BORON | Prefix |
| CA | 760 | 764 | OLANCHA | Prefix |
| CA | 760 | 769 | BORON | Prefix |
| CA | 760 | 843 | VICTORVL | Prefix |
| CA | 760 | 868 | WRWD PHLN | Prefix |
| CA | 760 | 872 | BISHOP | Prefix |
| CA | 760 | 873 | BISHOP | Prefix |
| CA | 760 | 876 | LONE PINE | Prefix |
| CA | 760 | 878 | INDEPNDNCE | Prefix |
| CA | 760 | 924 | MAMMOTHLKS | Prefix |
| CA | 760 | 932 | BRIDGEPORT | Prefix |
| CA | 760 | 933 | BENTON | Prefix |
| CA | 760 | 934 | MAMMOTHLKS | Prefix |
| CA | 760 | 935 | CROWLEY LK | Prefix |
| CA | 760 | 938 | BIG PINE | Prefix |
| CA | 760 | 939 | RIDGECREST | Prefix |
| CA | 760 | 946 | VTVL APVY | Prefix |
| CA | 760 | 947 | VTVL HSPR | Prefix |
| CA | 760 | 948 | VTVL HSPR | Prefix |
| CA | 760 | 949 | VTVL HSPR | Prefix |
| CA | 760 | 951 | VICTORVL | Prefix |
| CA | 760 | 952 | VICTORVL | Prefix |
| CA | 760 | 955 | VICTORVL | Prefix |
| CA | 760 | 956 | VTVL HSPR | Prefix |
| CA | 760 | 957 | BARSTOW | Prefix |
| CA | 760 | 961 | VTVL APVY | Prefix |
| CA | 760 | 962 | VICTORVL | Prefix |
| CA | 805 | 463 | PARKFIELD | Prefix |
| CA | 805 | 467 | SAN MIGUEL | Prefix |
| CA | 909 | 584 | BIGBEAR CY | Prefix |
| CA | 909 | 585 | BIGBEAR CY | Prefix |
| CA | 909 | 866 | BIGBEAR LK | Prefix |
| CA | 909 | 867 | RUNNINGSPG | Prefix |
| CA | 909 | 878 | BIGBEAR LK | Prefix |
Showing up to 2,000 blocks (cap for performance).
SEO keywords covered
carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center
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