Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 7421 AT&T - LOCAL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
610-463 A Reading PA PHLAPASLUMD  228      
610-463 2 Reading PA PHLAPASLUMD  228      
610-463 9 Reading PA PHLAPASLUMD  228      
610-479 A Philadelphia Suburban Zone 10 PA PHLAPASLTMD  228      
610-479 3 Philadelphia Suburban Zone 10 PA PHLAPASLTMD  228      
610-479 4 Philadelphia Suburban Zone 10 PA PHLAPASLTMD  228      
610-479 5 Philadelphia Suburban Zone 10 PA PHLAPASLTMD  228      
610-479 6 Philadelphia Suburban Zone 10 PA PHLAPASLTMD  228      
610-479 9 Philadelphia Suburban Zone 10 PA PHLAPASLTMD  228      
610-561 A Exton PA PHLAPASLTMD  228      
610-561 9 Exton PA PHLAPASLTMD  228      
610-573 A Allentown (Lehigh) PA PHLAPASLUMD  228      
610-573 2 Allentown (Lehigh) PA PHLAPASLUMD  228      
610-573 5 Allentown (Lehigh) PA PHLAPASLUMD  228      
610-605 6 Philadelphia Suburban Zone 13 PA PHLAPASLTMD  228      
610-620 A West Chester PA PHLAPASLTMD  228      
610-620 9 West Chester PA PHLAPASLTMD  228      
610-673 A Philadelphia Suburban Zone 26 PA PHLAPASLTMD  228      
610-673 9 Philadelphia Suburban Zone 26 PA PHLAPASLTMD  228      
610-686 A Catasauqua PA PHLAPASLUMD  228      
610-686 5 Catasauqua PA PHLAPASLUMD  228      
610-766 A Philadelphia Suburban Zone 23 PA PHLAPASLUMD  228      
610-766 3 Philadelphia Suburban Zone 23 PA PHLAPASLUMD  228      
610-772 A Philadelphia Suburban Zone 31 PA PHLAPASLUMD  228      
610-772 2 Philadelphia Suburban Zone 31 PA PHLAPASLUMD  228      
610-893 A Philadelphia Suburban Zone 28 PA PHLAPASLTMD  228      
610-893 1 Philadelphia Suburban Zone 28 PA PHLAPASLTMD  228      
610-893 9 Philadelphia Suburban Zone 28 PA PHLAPASLTMD  228      
610-908 A Philadelphia Suburban Zone 30 PA PHLAPASLUMD  228      
610-908 0 Philadelphia Suburban Zone 30 PA PHLAPASLUMD  228      
610-908 1 Philadelphia Suburban Zone 30 PA PHLAPASLUMD  228      
610-908 3 Philadelphia Suburban Zone 30 PA PHLAPASLUMD  228      
610-908 8 Philadelphia Suburban Zone 30 PA PHLAPASLUMD  228      
610-984 A Bethlehem PA PHLAPASLUMD  228      
610-984 0 Bethlehem PA PHLAPASLUMD  228      
610-984 8 Bethlehem PA PHLAPASLUMD  228      
610-984 9 Bethlehem PA PHLAPASLUMD  228      
612-234 A Twin Cities MN MPLSMNDT62H  628      
612-234 3 Twin Cities MN MPLSMNDT62H  628      
612-234 9 Twin Cities MN MPLSMNDT62H  628      
612-326 A Twin Cities MN GLVYMNORVMD  628      
612-326 2 Twin Cities MN GLVYMNORVMD  628      
612-367 A Twin Cities MN GLVYMNORVMD  628      
612-367 3 Twin Cities MN GLVYMNORVMD  628      
612-367 5 Twin Cities MN GLVYMNORVMD  628      
614-383 A Gahanna OH CLMBOH1100Z  324      
614-383 3 Gahanna OH CLMBOH1100Z  324      
614-385 A Alton OH CLMBOH1100Z  324      
614-385 9 Alton OH CLMBOH1100Z  324      
614-558 A Columbus OH CLMBOH1100Z  324      
614-558 9 Columbus OH CLMBOH1100Z  324      
614-601 A Worthington OH CLMBOH1100Z  324      
614-601 9 Worthington OH CLMBOH1100Z  324      
614-602 A Dublin OH CLMBOH1100Z  324      
614-602 0 Dublin OH CLMBOH1100Z  324      
614-604 A Reynoldsburg OH CLMBOH1100Z  324      
614-604 1 Reynoldsburg OH CLMBOH1100Z  324      
614-682 A Westerville OH CLMBOH1100Z  324      
614-682 1 Westerville OH CLMBOH1100Z  324      
614-822 A Dublin OH CLMBOH1100Z  324      
614-822 2 Dublin OH CLMBOH1100Z  324      
615-465 A Franklin TN NSVLTNMT08Z  470      
615-465 9 Franklin TN NSVLTNMT08Z  470      
615-493 A Nashville TN NSVLTNMTDS4  470      
615-525 A Nashville TN NSVLTNMTDS4  470      
615-525 2 Nashville TN NSVLTNMTDS4  470      
615-745 6 Portland TN NSVLTNMTDS4  470      
615-796 A Murfreesboro TN NSVLTNMTDS4  470      
615-796 2 Murfreesboro TN NSVLTNMTDS4  470      
615-903 6 LaVergne (Rutherford) TN NSVLTNMTDS4  470      
616-802 A Grand Rapids MI GDRPMIBL57Z  348      
616-802 1 Grand Rapids MI GDRPMIBL57Z  348      
616-802 3 Grand Rapids MI GDRPMIBL57Z  348      
616-802 5 Grand Rapids MI GDRPMIBL57Z  348      
616-802 6 Grand Rapids MI GDRPMIBL57Z  348      
616-802 9 Grand Rapids MI GDRPMIBL57Z  348      
616-834 A Holland MI GDRPMIBL57Z  348      
616-834 9 Holland MI GDRPMIBL57Z  348      
617-231 2 Watertown MA FRMNMAWARMD  128      
617-239 A Boston MA FRMNMAWAUMD  128      
617-239 0 Boston MA FRMNMAWAUMD  128      
617-239 2 Boston MA FRMNMAWAUMD  128      
617-239 3 Boston MA FRMNMAWAUMD  128      
617-239 4 Boston MA FRMNMAWAUMD  128      
617-239 6 Boston MA FRMNMAWAUMD  128      
617-239 7 Boston MA FRMNMAWAUMD  128      
617-239 8 Boston MA FRMNMAWAUMD  128      
617-300 A Cambridge MA FRMNMAWAUMD  128      
617-300 1 Cambridge MA FRMNMAWAUMD  128      
617-300 2 Cambridge MA FRMNMAWAUMD  128      
617-300 3 Cambridge MA FRMNMAWAUMD  128      
617-300 4 Cambridge MA FRMNMAWAUMD  128      
617-300 5 Cambridge MA FRMNMAWAUMD  128      
617-300 6 Cambridge MA FRMNMAWAUMD  128      
617-379 4 Dorchester MA FRMNMAWARMD  128      
617-386 A Cambridge MA FRMNMAWAUMD  128      
617-386 1 Cambridge MA FRMNMAWAUMD  128      
617-386 2 Cambridge MA FRMNMAWAUMD  128      
617-386 4 Cambridge MA FRMNMAWAUMD  128      
617-386 5 Cambridge MA FRMNMAWAUMD  128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.