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National Destination Code:603

This is the United States National Destination Code:603 Area Code Database page list. You can click the title to browse the detail information.
Region Code: NH
Region Name City Sn from Sn to Carrier Name Number Type
New Hampshire Alstead 5744000 5744999 LEVEL 3 COMM - NH G
New Hampshire Alstead 8350000 8350999 OTEL TELEKOM INC NH G
New Hampshire Alstead 8351000 8351999 FAIRPOINT COMM - NH X
New Hampshire Alstead 8352000 8352999 FAIRPOINT COMM - NH G
New Hampshire Alstead 8353000 8353999 LEVEL 3 COMM - NH G
New Hampshire Alstead 8354000 8354999 OTEL TELEKOM INC NH G
New Hampshire Alstead 8355000 8355999 CTC COMMS CORP. - NH G
New Hampshire Alstead 8356000 8356999 FAIRPOINT COMM - NH G
New Hampshire Alstead 8357000 8357999 FAIRPOINT COMM - NH G
New Hampshire Alstead 8358000 8358999 COMCAST PHONE - NH G
New Hampshire Alstead 8359000 8359999 FAIRPOINT COMM - NH G
New Hampshire Alton 8552000 8552999 IDT AMERICA CORP NH G
New Hampshire Alton 8750000 8759999 UNION TEL CO - NH G
New Hampshire Andover 7350000 7350999 KEARSARGE TEL CO G
New Hampshire Andover 7351000 7351999 KEARSARGE TEL CO G
New Hampshire Andover 7352000 7352999 KEARSARGE TEL CO G
New Hampshire Andover 7353000 7353999 KEARSARGE TEL CO G
New Hampshire Andover 7354000 7354999 KEARSARGE TEL CO G
New Hampshire Andover 7355000 7355999 KEARSARGE TEL CO G
New Hampshire Andover 7356000 7356999 KEARSARGE TEL CO G
New Hampshire Andover 7357000 7357999 KEARSARGE TEL CO X
New Hampshire Andover 7358000 7358999 KEARSARGE TEL CO X
New Hampshire Andover 7359000 7359999 KEARSARGE TEL CO X
New Hampshire Andover 9770000 9770999 COMCAST PHONE - NH G
New Hampshire Antrim 5880000 5880999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5881000 5881999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5882000 5882999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5883000 5883999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5884000 5884999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5885000 5885999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5886000 5886999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5887000 5887999 CONTOOCOOK VLY TEL X
New Hampshire Antrim 5888000 5888999 CONTOOCOOK VLY TEL G
New Hampshire Antrim 5889000 5889999 CONTOOCOOK VLY TEL X
New Hampshire Antrim 8080000 8080999 COMCAST PHONE - NH G
New Hampshire Ashland 3754000 3754999 TIME WARNER CABLE NH G
New Hampshire Ashland 9680000 9680999 BANDWIDTH.COM - NH G
New Hampshire Ashland 9681000 9681999 CRC COMMS MAINE - NH G
New Hampshire Ashland 9682000 9682999 FAIRPOINT COMM - NH G
New Hampshire Ashland 9683000 9683999 FAIRPOINT COMM - NH G
New Hampshire Ashland 9684000 9684999 FAIRPOINT COMM - NH G
New Hampshire Ashland 9685000 9685999 LEVEL 3 COMM - NH G
New Hampshire Ashland 9686000 9686999 IDT AMERICA CORP NH G
New Hampshire Ashland 9687000 9687999 FAIRPOINT COMM - NH G
New Hampshire Ashland 9688000 9688999 FAIRPOINT COMM - NH G
New Hampshire Ashland 9689000 9689999 FAIRPOINT COMM - NH G
New Hampshire Barnstead 7760000 7769999 UNION TEL CO - NH G
New Hampshire Barnstead 9062000 9062999 IDT AMERICA CORP NH G
New Hampshire Barrington 2804000 2804999 LEVEL 3 COMM - NH G
New Hampshire Barrington 6640000 6640999 FREEDOM RING LLC CLC G
New Hampshire Barrington 6641000 6641999 FAIRPOINT COMM - NH X
New Hampshire Barrington 6642000 6642999 FAIRPOINT COMM - NH G
New Hampshire Barrington 6643000 6643999 LEVEL 3 COMM - NH G
New Hampshire Barrington 6644000 6644999 LEVEL 3 COMM - NH G
New Hampshire Barrington 6645000 6645999 FAIRPOINT COMM - NH G
New Hampshire Barrington 6646000 6646999 FAIRPOINT COMM - NH G
New Hampshire Barrington 6647000 6647999 FAIRPOINT COMM - NH G
New Hampshire Barrington 6648000 6648999 FAIRPOINT COMM - NH G
New Hampshire Barrington 6649000 6649999 FAIRPOINT COMM - NH G
New Hampshire Barrington 9050000 9050999 OTEL TELEKOM INC NH G
New Hampshire Barrington 9059000 9059999 IDT AMERICA CORP NH G
New Hampshire Bartlett 3740000 3740999 FAIRPOINT COMM - NH G
New Hampshire Bartlett 3741000 3741999 FAIRPOINT COMM - NH G
New Hampshire Bartlett 3742000 3742999 FAIRPOINT COMM - NH G
New Hampshire Bartlett 3743000 3743999 NEW CINGULAR WRLS DC M
New Hampshire Bartlett 3744000 3744999 NEW CINGULAR WRLS DC M
New Hampshire Bartlett 3745000 3745999 TIME WARNER CABLE NH G
New Hampshire Bartlett 3746000 3746999 FAIRPOINT COMM - NH G
New Hampshire Bartlett 3747000 3747999 LEVEL 3 COMM - NH G
New Hampshire Bartlett 3748000 3748999 PAETEC COMM - NH G
New Hampshire Bartlett 3749000 3749999 CRC COMMS MAINE - NH G
New Hampshire Bedford 3100000 3100999 OTEL TELEKOM INC NH G
New Hampshire Bedford 3102000 3102999 TELEPORT COMM AM-NH G
New Hampshire Bedford 3103000 3103999 BROADVIEW NTWKS - NH G
New Hampshire Bedford 3104000 3104999 CHOICE ONE COMM NH G
New Hampshire Bedford 3105000 3105999 PAETEC COMM - NH G
New Hampshire Bedford 3107000 3107999 COMCAST PHONE - NH G
New Hampshire Bedford 3109000 3109999 CTC COMMS CORP. - NH G
New Hampshire Bedford 4710000 4710999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4711000 4711999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4712000 4712999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4713000 4713999 LEVEL 3 COMM - NH G
New Hampshire Bedford 4714000 4714999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4716000 4716999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4717000 4717999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4718000 4718999 FAIRPOINT COMM - NH X
New Hampshire Bedford 4719000 4719999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4721000 4721999 LIGHTSHIP TELECOM NH G
New Hampshire Bedford 4722000 4722999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4723000 4723999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4724000 4724999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4725000 4725999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4726000 4726999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4727000 4727999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4728000 4728999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4729000 4729999 FAIRPOINT COMM - NH G
New Hampshire Bedford 4880000 4880999 PAETEC COMM - NH G
New Hampshire Bedford 4881000 4881999 COMCAST PHONE - NH G
New Hampshire Bedford 4882000 4882999 COMCAST PHONE - NH G
New Hampshire Bedford 4883000 4883999 COMCAST PHONE - NH X