en.wikipedia.org/wiki/Telephone_numbers_in_El_Salvador

Country Code: +503. International Call Prefix: 00. National Significant Numbers ( NSN): seven or eight digits. Format: +503 NXYZ MCDU where N is NDC.

www.lonelyplanet.com/el-salvador/telephone

Using your mobile phone in El Salvador and tipsd on local and international call costs.

www.cellularabroad.com/packages-elsalvador.html

Purchase a new cell phone and SIM card for El Salvador and take advantage of the low rates that the local cellular phone users are paying, regardless of the ...

www.tripadvisor.com/ShowTopic-g294475-i3217-k3971487-Cell_phone_purchase_at_the_airport-El_Salvador.html

Can anyone tell me the easiest way to buy a call phone at the airport.

www.ipsnews.net/2009/01/el-salvador-central-americarsquos-leader-in-cell-phone-use

SAN SALVADOR, Jan 14 2009 (IPS) - By the end of 2008, El Salvador had the largest number of cell phones per person in Central America, with 6.6 million for a ...

www.onesimcard.com/cell-phone-rates/el-salvador

Prepaid cell phone service in El Salvador and 223 countries. El Salvador SIM card - free incoming calls and texts. El Salvador cell phone rental available.

support.t-mobile.com/thread/71825

I'm heading to El Salvador in a couple weeks and i want to know if my ... where in the world that U.S. phone receiving the text happens to be.

www.listasal.info/en/tourism

El Salvador is a tropical country with year-long warm climate. ... El Salvador major telephone companies use the GSM standard in the 850, 900, 1900 Mhz ...

blog.vonage.com/international-calling/how-to-call-el-salvador-from-the-u-s

Feb 8, 2012 ... Next dial 503 – the country code for El Salvador. Finally, dial the phone number – 8 digits starting with a “2” for landlines or “9” for cell phones.