In North America, area code +1 503 is Portland, Oregon, USA, and nearby areas, including landlines and cellphones. Telephone country code +503 is El Salvador. It is very unlikely that either a +1 503 or a +503 number is a satellite phone.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
503, with overlay area code 971
The country code and area code of Hjo, Sweden is 46, (0)503.
El Salvador is country code +503. There are no city codes or area codes. Landline numbers begin with +503 2. Mobile numbers begin with +503 6 or +503 7. The local number is 8 digits, except for freephone and premium-rate numbers.
The only way to fix the Volvo-503 code is to take it to the dealership and have them fix it for you.
You can call or visit you local Volvo dealer to get a CT-503 code for serial number V0186011201011C.
Country code +503 is El Salvador, and +503 720 xxxxx is a mobile number.
The area of Matazu is 503 square kilometers.
Assuming you mean either Portland, Maine, or Portland, Oregon, dial 00 1 and then the 3-digit area code and 7-digit subscriber number. Portland ME is in area code 207; Portland OR is in area codes 503 and 971.
Oregon is divided into two zones, each of which has two telephone area codes.Portland, Salem, Astoria, and the northwest corner of the state use area codes 503 and 971.Eugene, Corvallis, Bend, Medford, and the rest of the state use area codes 541 and 458.Both zones are overlays, so you must dial the area code and number for local calls (e.g., 503-555-0123).The telephone country code for the USA (plus Canada and 18 Caribbean-ish islands) is +1.(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
they would use roman numerals DIII.
A 503 error is a universal error code. It usually means there is a problem within the server itself, such as an overload.
The area of Luribay Municipality is 503 square kilometers.