Area Code 303 — CO
Area code 303 serves CO (M time zone) with 785 assigned prefixes. Received a call from a 303 number? Type the full number into the search box above to see its city, carrier, and community reports.
Prefixes in area code 303
| Prefix | City | State | Carrier |
|---|---|---|---|
| 303-656 | Denver | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-657 | Denver | CO | QWEST CORPORATION |
| 303-658 | Denver | CO | QWEST CORPORATION |
| 303-659 | Denver | CO | QWEST CORPORATION |
| 303-660 | Denver | CO | QWEST CORPORATION |
| 303-661 | Denver | CO | QWEST CORPORATION |
| 303-662 | Denver | CO | QWEST CORPORATION |
| 303-663 | Denver | CO | QWEST CORPORATION |
| 303-664 | Denver | CO | QWEST CORPORATION |
| 303-665 | Denver | CO | QWEST CORPORATION |
| 303-666 | Denver | CO | QWEST CORPORATION |
| 303-667 | Denver | CO | T-MOBILE USA, INC. |
| 303-668 | Denver | CO | T-MOBILE USA, INC. |
| 303-669 | Denver | CO | T-MOBILE USA, INC. |
| 303-670 | Denver | CO | QWEST CORPORATION |
| 303-671 | Denver | CO | QWEST CORPORATION |
| 303-672 | Denver | CO | QWEST CORPORATION |
| 303-673 | Denver | CO | QWEST CORPORATION |
| 303-674 | Denver | CO | QWEST CORPORATION |
| 303-675 | Denver | CO | QWEST CORPORATION |
| 303-676 | Denver | CO | QWEST CORPORATION |
| 303-677 | Denver | CO | QWEST CORPORATION |
| 303-678 | Longmont | CO | QWEST CORPORATION |
| 303-679 | Denver | CO | QWEST CORPORATION |
| 303-680 | Denver | CO | QWEST CORPORATION |
| 303-681 | Denver | CO | QWEST CORPORATION |
| 303-682 | Longmont | CO | QWEST CORPORATION |
| 303-683 | Denver | CO | QWEST CORPORATION |
| 303-684 | Longmont | CO | QWEST CORPORATION |
| 303-685 | Denver | CO | QWEST CORPORATION |
| 303-686 | Denver | CO | SPOK, INC. |
| 303-687 | Denver | CO | SPOK, INC. |
| 303-688 | Denver | CO | QWEST CORPORATION |
| 303-689 | Denver | CO | QWEST CORPORATION |
| 303-690 | Denver | CO | QWEST CORPORATION |
| 303-691 | Denver | CO | QWEST CORPORATION |
| 303-692 | Denver | CO | QWEST CORPORATION |
| 303-693 | Denver | CO | QWEST CORPORATION |
| 303-694 | Denver | CO | QWEST CORPORATION |
| 303-695 | Denver | CO | QWEST CORPORATION |
| 303-696 | Denver | CO | QWEST CORPORATION |
| 303-697 | Denver | CO | QWEST CORPORATION |
| 303-698 | Denver | CO | QWEST CORPORATION |
| 303-699 | Denver | CO | QWEST CORPORATION |
| 303-701 | Denver | CO | COMMUNICATIONS UNLIMITED |
| 303-702 | Longmont | CO | QWEST CORPORATION |
| 303-703 | Denver | CO | QWEST CORPORATION |
| 303-704 | Denver | CO | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 303-705 | Denver | CO | QWEST CORPORATION |
| 303-706 | Denver | CO | QWEST CORPORATION |
| 303-707 | Denver | CO | QWEST CORPORATION |
| 303-708 | Denver | CO | QWEST CORPORATION |
| 303-709 | Longmont | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-710 | Fort Lupton | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-712 | Denver | CO | QWEST CORPORATION |
| 303-713 | Denver | CO | QWEST CORPORATION |
| 303-714 | Denver | CO | QWEST CORPORATION |
| 303-715 | Denver | CO | QWEST CORPORATION |
| 303-716 | Denver | CO | QWEST CORPORATION |
| 303-717 | Fort Lupton | CO | NEW CINGULAR WIRELESS PCS, LLC |
| 303-718 | Fort Lupton | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-719 | Deer Trail | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
| 303-720 | Fort Lupton | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-721 | Denver | CO | QWEST CORPORATION |
| 303-722 | Denver | CO | QWEST CORPORATION |
| 303-723 | Denver | CO | TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
| 303-724 | Denver | CO | QWEST CORPORATION |
| 303-725 | Denver | CO | T-MOBILE USA, INC. |
| 303-726 | Denver | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-727 | Denver | CO | QWEST CORPORATION |
| 303-728 | Denver | CO | TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
| 303-729 | Denver | CO | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 303-730 | Denver | CO | QWEST CORPORATION |
| 303-731 | Denver | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
| 303-732 | Keenesburg | CO | QWEST CORPORATION |
| 303-733 | Denver | CO | QWEST CORPORATION |
| 303-734 | Denver | CO | QWEST CORPORATION |
| 303-735 | Denver | CO | QWEST CORPORATION |
| 303-736 | Denver | CO | TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
| 303-737 | Denver | CO | QWEST CORPORATION |
| 303-738 | Denver | CO | QWEST CORPORATION |
| 303-739 | Denver | CO | QWEST CORPORATION |
| 303-740 | Denver | CO | QWEST CORPORATION |
| 303-741 | Denver | CO | QWEST CORPORATION |
| 303-742 | Denver | CO | QWEST CORPORATION |
| 303-743 | Denver | CO | QWEST CORPORATION |
| 303-744 | Denver | CO | QWEST CORPORATION |
| 303-745 | Denver | CO | QWEST CORPORATION |
| 303-746 | Longmont | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-747 | Allens Park-Lyons | CO | QWEST CORPORATION |
| 303-748 | Denver | CO | NEW CINGULAR WIRELESS PCS, LLC |
| 303-749 | Denver | CO | TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
| 303-750 | Denver | CO | QWEST CORPORATION |
| 303-751 | Denver | CO | QWEST CORPORATION |
| 303-752 | Denver | CO | QWEST CORPORATION |
| 303-753 | Denver | CO | QWEST CORPORATION |
| 303-754 | Denver | CO | QWEST CORPORATION |
| 303-755 | Denver | CO | QWEST CORPORATION |
| 303-756 | Denver | CO | QWEST CORPORATION |
| 303-757 | Denver | CO | QWEST CORPORATION |
| 303-758 | Denver | CO | QWEST CORPORATION |
| 303-759 | Denver | CO | QWEST CORPORATION |
| 303-760 | Denver | CO | SPOK, INC. |
| 303-761 | Denver | CO | QWEST CORPORATION |
| 303-762 | Denver | CO | QWEST CORPORATION |
| 303-763 | Denver | CO | QWEST CORPORATION |
| 303-764 | Denver | CO | QWEST CORPORATION |
| 303-765 | Denver | CO | QWEST CORPORATION |
| 303-766 | Denver | CO | QWEST CORPORATION |
| 303-767 | Denver | CO | AMERICAN MESSAGING SERVICES, LLC |
| 303-768 | Denver | CO | QWEST CORPORATION |
| 303-769 | Deer Trail | CO | BIJOU TEL. COOP. ASSN., INC. |
| 303-770 | Denver | CO | QWEST CORPORATION |
| 303-771 | Denver | CO | QWEST CORPORATION |
| 303-772 | Longmont | CO | QWEST CORPORATION |
| 303-773 | Denver | CO | QWEST CORPORATION |
| 303-774 | Longmont | CO | QWEST CORPORATION |
| 303-775 | Longmont | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
| 303-776 | Longmont | CO | QWEST CORPORATION |
| 303-777 | Denver | CO | QWEST CORPORATION |
| 303-778 | Denver | CO | QWEST CORPORATION |
| 303-779 | Denver | CO | QWEST CORPORATION |
| 303-780 | Denver | CO | QWEST CORPORATION |
| 303-781 | Denver | CO | QWEST CORPORATION |
| 303-782 | Denver | CO | QWEST CORPORATION |
| 303-783 | Denver | CO | QWEST CORPORATION |
| 303-784 | Denver | CO | QWEST CORPORATION |
| 303-785 | Denver | CO | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 303-786 | Denver | CO | QWEST CORPORATION |
| 303-787 | Denver | CO | QWEST CORPORATION |
| 303-788 | Denver | CO | QWEST CORPORATION |
| 303-789 | Denver | CO | QWEST CORPORATION |
| 303-790 | Denver | CO | QWEST CORPORATION |
| 303-791 | Denver | CO | QWEST CORPORATION |
| 303-792 | Denver | CO | QWEST CORPORATION |
| 303-793 | Denver | CO | QWEST CORPORATION |
| 303-794 | Denver | CO | QWEST CORPORATION |
| 303-795 | Denver | CO | QWEST CORPORATION |
| 303-796 | Denver | CO | QWEST CORPORATION |
| 303-797 | Denver | CO | QWEST CORPORATION |
| 303-798 | Denver | CO | QWEST CORPORATION |
| 303-799 | Denver | CO | QWEST CORPORATION |
| 303-800 | Denver | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
| 303-801 | Denver | CO | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 303-802 | Denver | CO | LEVEL 3 TELECOM OF COLORADO, LLC - CO |
| 303-803 | Denver | CO | LEVEL 3 TELECOM OF COLORADO, LLC - CO |
| 303-804 | Denver | CO | QWEST CORPORATION |
| 303-805 | Denver | CO | QWEST CORPORATION |
| 303-806 | Denver | CO | QWEST CORPORATION |
| 303-807 | Denver | CO | NEW CINGULAR WIRELESS PCS, LLC |
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