Country: US

Sprint 34 

United States Cellular Corp 56 

Verizon 77 

T-Mobile 79 

AT&T 383 

C Spire Wireless (aka Cellular South) 386 

IWireless 477 

Virgin Mobile 525 

Boost Mobile 534 

Union Telephone 549 

nTelos 555 

TracFone (AT&T) 556 

West Central Wireless 559 

Bluegrass Cellular 562 

Carolina West Wireless 564 

Cellular One of N.E. Arizona 566 

Rural Independent Network Alliance (RINA) 567 

East Kentucky Network (Appalachian Wireless) 570 

Illinois Valley Cellular 574 

Inland Cellular 575 

Nex Tech Communications 578 

Pine Cellular 580 

DTC Wireless 583 

Boost-CDMA 586 

CellCom 587 

Limitless Mobile 588 

ECIT/Cellular One of East Central Illinois 590 

Alaska Communications Systems (ACS) 592 

United Wireless 602 

GCI Communications 603 

Thumb Cellular 604 

Cross Wireless 618 

Chat Mobility 619 

Northwest Missouri Cellular 620 

Pioneer Cellular 621 

Panhandle Wireless 626 

Viaero Wireless 650 

Plateau Wireless 651 

MTPCS Cellular One (Cellone Nation) 655 

Cleartalk (Flat Wireless) 656 

Epic Touch 657 

Mosaic Telecom 658 

Mobi PCS 693 

Peoples Wireless 694 

CableVision 695 

Duet IP (Max. Wireless/Wireless Comm. Venture) 696 

Chariton Valley Cellular 701 

SouthernLINC 763 

bandwidth.com (includes Republic Wireless) 766 

MobileNation/SI Wireless 773 

MTA Wireless/Matanuska Kenai 774 

SRT Communications 780 

Leaco Rural Telephone Cooperative 783 

MetroPCS (GSM) 788 

Cricket Wireless 795 

Sagebrush Cellular 796 

Google Voice 798 

Copper Valley Telecom 802 

Country: CA

Telus 70 

Rogers 75 

Bell Mobility 80 

Sasktel 102 

Fido (Microcell) 138 

MTS 510 

Telebec 511 

NorthernTel 512 

Virgin Mobile 537 

Videotron 615 

WIND 653 

Mobilicity 654 

Eastlink Wireless 799