Telephone Area 300

Telephone Area 300 USA
Telephone Area 300 Canada

Left on the map, there are marked the US states that use prefixes beginning with 3XX.

Some areas are not shown on the map Besides, left on the map, there are marked Canada’s provinces that use prefixes beginning with 3XX.

The table below lists the states and cities that use these prefixes of phone numbers. If you have not found the required prefix in the table, use the search by the exact number.




Phone numbers +1-3AA-BBB-CCCC

Major CityStatePrefix
RockvilleMaryland+1301-SSSSSSS
WilmingtonDelaware+1302-SSSSSSS
DenverColorado+1303-SSSSSSS
CharlestonWest Virginia+1304-SSSSSSS
MiamiFlorida+1305-SSSSSSS
Regina BeachSaskatchewan, Canada+1306-SSSSSSS
CheyenneWyoming+1307-SSSSSSS
Grand IslandNebraska+1308-SSSSSSS
PeoriaIllinois+1309-SSSSSSS
Los AngelesCalifornia+1310-SSSSSSS
ChicagoIllinois+1312-SSSSSSS
DetroitMichigan+1313-SSSSSSS
Saint LouisMissouri+1314-SSSSSSS
SyracuseNew York+1315-SSSSSSS
WichitaKansas+1316-SSSSSSS
IndianapolisIndiana+1317-SSSSSSS
ShreveportLouisiana+1318-SSSSSSS
Cedar RapidsIowa+1319-SSSSSSS
Saint CloudMinnesota+1320-SSSSSSS
MelbourneFlorida+1321-SSSSSSS
Los AngelesCalifornia+1323-SSSSSSS
MenardTexas+1325-SSSSSSS
AkronOhio+1330-SSSSSSS
ElmhurstIllinois+1331-SSSSSSS
MontgomeryAlabama+1334-SSSSSSS
GreensboroNorth Carolina+1336-SSSSSSS
LafayetteLouisiana+1337-SSSSSSS
HinghamMassachusetts+1339-SSSSSSS
Charlotte AmalieVirgin Islands+1340-SSSSSSS
RidgewoodNew York+1347-SSSSSSS
DanversMassachusetts+1351-SSSSSSS
GainesvilleFlorida+1352-SSSSSSS
VancouverWashington+1360-SSSSSSS
Corpus ChristiTexas+1361-SSSSSSS
ProvoUtah+1385-SSSSSSS
Daytona BeachFlorida+1386-SSSSSSS