 |
 |
| city/area | all listed phonenumbers of landlines should be in the |
country
code
or national long distance direct dial code |
area
code
or NPA (Numbering Plan Area) |
exchange
(Central Office) number |
line
number
each Central Office can have up to 9999 lines numbered from 0000 to 9999 |
important
|
| Halifax | Prince Edward Island/PE Canada |
+I
|
902
|
- - -
|
- - - -
|
|
| Hamilton | Phonebook
of Ohio.c m |
+I
|
5I3
|
- - -
|
- - - -
|
|
| Harlingen | Phonebook
of Texas.cm |
+I
|
956
|
- - -
|
- - - -
|
|
| Harrisonburg | Phonebook
of Virginia.cm |
+I
|
540
|
- - -
|
- - - -
|
|
| Hartford | Phonebook
of Connecticut.c m |
+I
|
860
|
- - -
|
- - - -
|
|
| Hartford effectif sep 01 2000 | Phonebook
of Connecticut.cm |
+I
|
959
|
- - -
|
- - - -
|
|
| Harwood Heights | Phonebook
of Illinois.cm |
+I
|
773
|
- - -
|
- - - -
|
|
| Hattiesburg | Phonebook
of Mississippi.cm |
+I
|
60I
|
- - -
|
- - - -
|
|
| Hawthorne | Phonebook
of California.cm |
+I
|
424
|
- - -
|
- - - -
|
|
| Haverhill | Phonebook
of Massachusetts.cm |
+I
|
978
|
- - -
|
- - - -
|
|
| Hayward | Phonebook
of California.cm |
+I
|
5I0
|
- - -
|
- - - -
|
|
| Hempstead | Phonebook
of New York.cm |
+I
|
5I6
|
- - -
|
- - - -
|
|
| Henderson | Phonebook
of Nevada.cm |
+I
|
702
|
- - -
|
- - - -
|
|
| Hendersonville | Phonebook
of Tennessee.cm |
+I
|
6I5
|
- - -
|
- - - -
|
|
| Hialeah | Phonebook
of Florida.cm |
+I
|
305
|
- - -
|
- - - -
|
|
| Hialeah | Phonebook
of Florida.cm |
+I
|
786
|
- - -
|
- - - -
|
|
| Hibbing |
+I
|
2I8
|
- - -
|
- - - -
|
||
| Hickory | Phonebook
of North Carolina.cm |
+I
|
828
|
- - -
|
- - - -
|
|
| High Point | Phonebook
of North Carolina.cm |
+I
|
336
|
- - -
|
- - - -
|
|
| Hilo | Phonebook
of Hawaii.cm |
+I
|
808
|
- - -
|
- - - -
|
|
| Hollywood | Phonebook
of Florida.cm |
+I
|
954
|
- - -
|
- - - -
|
|
|
Hoover
|
Phonebook
of Alabama.cm |
+I
|
205
|
- - -
|
- - - -
|
|
| Hopkinsville | Phonebook
of Kentucky.cm |
+I
|
270
|
- - -
|
- - - -
|
|
| Horsham |
+I
|
2I5
|
- - -
|
- - - -
|
||
| Horsham | Phonebook
of Pennsylvania.cm |
+I
|
267
|
- - -
|
- - - -
|
|
| Houston | Phonebook
of Texas.cm |
+I
|
28I
|
- - -
|
- - - -
|
|
| Houston | Phonebook
of Texas.cm |
+I
|
7I3
|
- - -
|
- - - -
|
|
| Houston | Phonebook
of Texas.cm |
+I
|
832
|
- - -
|
- - - -
|
|
| Huntington | Phonebook
of West Virginia.cm |
+I
|
304
|
- - -
|
- - - -
|
|
| Huntington Beach | Phonebook
of California.cm |
+I
|
7I4
|
- - -
|
- - - -
|
|
| Huntington Park |
+I
|
2I3
|
- - -
|
- - - -
|
||
| Huntsville | Phonebook
of Alabama.cm |
+I
|
256
|
- - -
|
- - - -
|
|
| Hutchinson | Phonebook
of Kansas.cm |
+I
|
3I6
|
- - -
|
- - - -
|
|
| Hutchinson | Phonebook
of Mississippi.cm |
+I
|
320
|
- - -
|
- - - -
|
|
|
or
O
for Operator |
||||||
 |
the
US telephone system: orginally and before the divestiture of AT&T into 22 Baby Bells in I984 Us area-codes were rather simple,.. |
...from
200 - 900
and |
restricted
to the first I9 n°s
in a given series example 200 - 2I9 300 - 3I9 |
|
|
codes
out of this
dialing schemes are recent |
m