you seem to behind the times on cellular telephony technology. everything runs on
below is an excerpt of just the US carriers. fyi, the US uses 850MHz and 1900MHz for GSM.
UNITED STATES | Advantage Cellular Systems Inc | Advantage | USA | GSM 850 | Nov 2004 |
UNITED STATES | Airadigm Communications | Airadigm Communications | USA | GSM 1900 | Apr 1997 |
UNITED STATES | Alaska Wireless Communications, LLC | Dutch Harbor | USA | GSM 850 | Feb 2003 |
UNITED STATES | Alaska Digitel, LLC | Alaska DigiTel | USA | GSM 1900 | Sep 2002 |
UNITED STATES | Alltel Communications Inc | Alltel | USA | GSM 850/1900 | Sep 2003 |
UNITED STATES | Amarillo License, L.P | Cellular One of Amarillo | UNITED STATES | GSM 850 | Jan 2004 |
UNITED STATES | Arctic Slope Telephone Association Cooperative | Artic Slope Telephone Association Cooperative | UNITED STATES | GSM 850 | Dec 2005* |
UNITED STATES | C T Cube, LP | C T Cube, LP | USA | GSM 850 | Nov 2003 |
UNITED STATES | Caprock Cellular Limited Partnership | Caprock | USA | GSM 850 | Jan 2006* |
UNITED STATES | Cellular Properties, Inc | Cellular One of East Central Illinois | UNITED STATES | GSM 850 | Nov 2000 |
UNITED STATES | Centennial Communications | Centennial Communications | USA | GSM 850 | Nov 2003 |
UNITED STATES | CGKC&H No. 2 Rural Cellular LP | West Central Wireless | USA | GSM 850 | Jul 2004 |
UNITED STATES | Chariton Valley Communications Corporation Inc | Chariton Valley Communication Corporation | UNITED STATES | GSM 1900 | Jun 2004 |
UNITED STATES | Choice Wireless LC | AmeriLink PCS | USA | GSM 1900 | May 2001 |
UNITED STATES | Cincinnati Bell Wireless | Cincinnati Bell Wireless | Cincinnati, OH | GSM 1900 | Oct 2003 |
UNITED STATES | Cingular Wireless | Cingular Wireless | USA | GSM 1900 | Jul 1996 |
UNITED STATES | Cingular Wireless | Cingular Wireless | UNITED STATES | GSM 850 | Jan 2006 |
UNITED STATES | Coleman County Telecommunications Inc | Coleman County Telecommunications Inc | Brownwood, Texas | GSM 1900 | TBC* |
UNITED STATES | Commnet Wireless, LLC | Commnet | UNITED STATES | GSM 850/1900 | Jan 2004 |
UNITED STATES | Concho Cellular Telephone Co., Inc. | Concho Cellular Telephone Co. | USA | GSM 1900 | Nov 2003 |
UNITED STATES | Corr Wireless Communications | Corr Wireless Communications | USA | GSM 1900 | Apr 2003 |
UNITED STATES | Cross Telephone Company | MBO Wireless | Muskogee & McAlester: Oklahoma | GSM 1900 | Mar 2006* |
UNITED STATES | Dobson Communications Corporation | Dobson | USA | GSM 850 | May 2003 |
UNITED STATES | Dobson Communications Corporation | Dobson MI | Petoskey, MI | GSM 1900 | Oct 1997 |
UNITED STATES | Dobson Communications Corporation | Dobson MI | Traverse City, MI | GSM 1900 | Oct 1997 |
UNITED STATES | E.N.M.R. Telephone Cooperative | Plateau Wireless | New Mexico RSA 2 and New Mexico RSA 6-II | GSM 850 | Nov 2003 |
UNITED STATES | Easterbrooke Cellular Corporation | Easterbrooke | UNITED STATES | GSM 850 | Oct 2004 |
UNITED STATES | Edge Wireless | Edge Wireless | USA | GSM 1900 | Jul 2003 |
UNITED STATES | Endless Mountains Wireless, LLC | Endless Mountains Wireless | UNITED STATES | GSM 850 | Apr 2004* |
UNITED STATES | Epic Touch Co | Elkhart Telephone Co Inc | Liberal, KS | GSM 1900 | Oct 2000 |
UNITED STATES | Farmers Cellular Telephone Inc | Farmers | UNITED STATES | GSM 850/1900 | Nov 2004 |
UNITED STATES | High Plains Midwest LLC | Westlink Communications | USA | GSM 1900 | Aug 2000 |
UNITED STATES | High Plains Wireless, L.P | High Plains Wireless | UNITED STATES | GSM 1900 | Jun 2004 |
UNITED STATES | Highland Cellular, Inc | Highland | USA | GSM 850 | Nov 2003 |
UNITED STATES | Indigo Wireless, Inc | Indigo Wireless | UNITED STATES | GSM 1900 | Feb 2004 |
UNITED STATES | Iowa Wireless Services, LP | Iowa Wireless Services, LP | USA | GSM 1900 | Aug 1998 |
UNITED STATES | Jasper Systems Inc | Jasper | Alaska, USA | GSM 850 | Dec 2005* |
UNITED STATES | Kaplan Telephone Company,Inc | PACE | UNITED STATES | GSM 850 | Oct 2001 |
UNITED STATES | Key Communications, LLC | West Virginia Wireless | West Virginia | GSM 1900 | Aug 2002 |
UNITED STATES | Keystone Wireless LLC | Immix Wireless | Pottsville, PA | GSM 1900 | Jan 1998 |
UNITED STATES | Lamar County Cellular, Inc | Lamar County Cellular | UNITED STATES | GSM 850 | Jan 2006* |
UNITED STATES | Long Lines Wireless LLC | Siouxland PCS | UNITED STATES | GSM 1900 | Jun 2004 |
UNITED STATES | MBO Wireless Inc | MBO Wireless | Stillwater, Musogee & McAlester: OK | GSM 1900 | Mar 2006* |
UNITED STATES | Mid-Tex Cellular, Ltd. | Mid-Tex Cellular | UNITED STATES | GSM 850/1900 | Feb 2005 |
UNITED STATES | Missouri RSA No 5 Partnership | Missouri RSA No 5 Partnership | UNITED STATES | GSM 850 | Jun 2004 |
UNITED STATES | MTPCS, LLC | Chinook Wireless | UNITED STATES | GSM 1900 | May 2006 |
UNITED STATES | New Dimension Wireless Ltd | New Dimension Wireless Ltd | UNITED STATES | GSM 1900 | Mar 2006* |
UNITED STATES | New Mexico RSA 4 East Ltd Partnership | Plateau Wireless | New Mexico RSA 4 East | GSM 850 | Nov 2003 |
UNITED STATES | North East Colorado Cellular, Inc (NECCI) | North East Colorado Cellular | USA | GSM 850 | TBC |
UNITED STATES | Oklahoma Western Telephone Company | Phoenix | Oklahoma | GSM 1900 | Dec 2003 |
UNITED STATES | Petrocom LLC | PetroCom | UNITED STATES | GSM 850 | Jun 2004 |
UNITED STATES | Pine Telephone Company | Pine Cellular | UNITED STATES | GSM 850 | Jul 2004 |
UNITED STATES | Pinpoint Wireless Inc | PinPoint Wireless | USA | GSM 1900 | Jul 1999 |
UNITED STATES | Poka Lambro Telecommunications, Ltd. | Poka Lambro Telcomm. Ltd. d/b/a Digital Cellular | Texas | GSM 850 | Jan 2004 |
UNITED STATES | Quantum Communications Group Inc | Quantum Communications Group Inc | Jacksonville, IL | GSM 1900 | Aug 2001 |
UNITED STATES | SLO Cellular, Inc (DBA,Cellular One of San Luis Obispo)and Entertainment Ltd. | SLO Cellular, Inc (DBA,Cellular One of San Luis Obispo)and Entertainment Ltd. | UNITED STATES | GSM 850 | Nov 2003 |
UNITED STATES | Smith Bagley, Inc. | Smith Bagley | USA | GSM 850/1900 | Apr 2003 |
UNITED STATES | Southern Illinois RSA Partnership | FC | USA | GSM 850 | Dec 2003 |
UNITED STATES | SunCom Wireless Holdings Inc | SunCom AT&T | Knoxville | GSM 1900 | Feb 2003 |
UNITED STATES | SunCom Wireless Holdings Inc | SunCom AT&T | Richmond-Norfolk | GSM 1900 | Feb 2003 |
UNITED STATES | SunCom Wireless Holdings Inc | SunCom AT&T | Atlanta | GSM 1900 | Feb 2003 |
UNITED STATES | SunCom Wireless Holdings Inc | SunCom AT&T | Charlotte-Greensboro-Greenvill | GSM 1900 | Feb 2003 |
UNITED STATES | SunCom Wireless Holdings Inc | SunCom AT&T | Washington-Baltimore | GSM 1900 | Feb 2003 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Seattle | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Atlanta | GSM 1900 | Oct 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Lancaster | GSM 1900 | May 1997 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | New York | GSM 1900 | Nov 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Desmoines | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Oklahoma City | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Salt Lake City | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Albuquerque | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Hawaii | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Denver | GSM 1900 | Jan 1996 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Northern Gulf of Mexico | GSM 1900 | Jan 2001 |
UNITED STATES | T-Mobile USA, Inc | T-Mobile USA | Tampa-St., Petersburg, Orlando | GSM 1900 | Apr 1997 |
UNITED STATES | Taylor Telecommunications, LTD | Texas Cellular | UNITED STATES | GSM 850 | Dec 2003 |
UNITED STATES | Texas RSA 3 Ltd Partnership | Plateau Wireless | Texas RSA 3 | GSM 850 | Mar 2004 |
UNITED STATES | TMP Corp | SIMMETRY | Quincy, IL- Hannibal, MO | GSM 1900 | Nov 2001 |
UNITED STATES | Tracy Corporation II | TELEMETRIX | USA | GSM 1900 | TBC |
UNITED STATES | TX-11 Acquisition, LLC | Cellular One of East Texas | UNITED STATES | GSM 850/1900 | Sep 2005 |
UNITED STATES | Union Telephone Company | Union Telephone Company | USA | GSM 850/1900 | Sep 2003 |
UNITED STATES | Wilkes Cellular Inc | Via Wireless | UNITED STATES | GSM 850 | May 2004 |
UNITED STATES | Wireless Alliance | Wireless Alliance | UNITED STATES | GSM 1900 | Mar 1998 |
UNITED STATES | XIT Wireless | Texas RSA 1 Ltd Partnership DBA XIT Cell | USA | GSM 850 | Dec 2004 |
so, if you have a modern phone that can do 850MHz and 1900MHz, you can go just about anywhere on the globe and use a local carrer with your phone. isnt progress great?